Four-head corner cleaning machine

The utility model discloses a four-head corner cleaning machine, and mainly relates to the field of corner cleaning machines. The feeding end component comprises a feeding end and a discharging end, and the discharging end component and the feeding end component are symmetrically arranged along the joint of the feeding end and the discharging end. The feeding end and the discharging end each comprise a rack, a machine head fixing support, a corner cleaning machine head, a door and window conveying device and a door and window fixing device. Wherein the machine head fixing support comprises a left X-axis frame, a left Y-axis frame, a right X-axis frame and a right Y-axis frame, the corner cleaning machine head comprises a left machine head and a right machine head, and the door and window fixing device comprises two machine head workbenches and two machine head auxiliary workbenches. The four-head corner cleaning machine has the advantages that the problems that an existing four-head corner cleaning machine is