Visual inspection equipment for straight straw

The utility model discloses visual inspection equipment for a straight suction pipe, which relates to the technical field of visual inspection equipment and comprises a rack, a visual controller is fixedly arranged on one side of the rack, an operation table is arranged at the top of the rack, and a display screen and a keyboard which are connected with the visual controller are arranged on the operation table; a plurality of cameras are uniformly distributed below the operation table by taking the straight suction pipe as an axis, are fixed on the rack through an adjusting bracket, and are electrically connected with the visual controller through wires; a lens of the camera directly faces the straight suction tube, a light-emitting plate corresponding to the lens is arranged on the other side of the straight suction tube, and a light source is arranged in the light-emitting plate; clamping mechanisms used for clamping the straight suction pipe to pass through are arranged on the two sides of the lower portio