To provide a wood crushing machine which smoothly transfers an article to be crushed from a supply conveyer to a receiving plate even when it is continuously used.

A conveyer plate support member 55 which supports a conveyer plate 46 which carries the article to be crushed from the below and has at an outer circumference a connection part 56 contacting with a shape that a surface at the a drive sprocket 41 side in the conveyer plate 46 forms around the drive sprocket 41 is attached to a drive shaft 40 which is connected with the drive sprocket 41.