Hole-raking machine with all-directional slag raking function

The invention discloses a hole-raking machine with an all-directional slag-raking function, and relates to the related technical field of drilling cutting cleaning of strip mine blast holes. The hole-raking machine comprises a circular tray, a reversing guide rail is fixedly connected to the surface of the circular tray, and a hydraulic oil cylinder used for adjusting movement of a slag-raking plate is fixedly connected to the surface of the middle of the circular tray; a connecting base is fixedly installed at the output end of the hydraulic oil cylinder, a connecting pin shaft is fixedly installed on the side surface of the connecting base, the side surface of the connecting pin shaft is rotationally connected with one end of a power reversing support, the tail end of the power reversing support is connected with the top side surface of the slagging-off plate through a guide assembly, and the inner wall surface of the slagging-off plate is fixedly connected with a slagging-off plate supporting shaft used fo