A twin drum machine for crushing granular materials has a vertically moving control plate at the outlet of the feed chute with a pivoting extension to vary the feed gap

摘要

The fixed drum (11) and horizontally adjustable drum (10) have a variable gap (15) through which material is fed from a chute (12) through a gap controlled by a vertically sliding part (13) of the side wall (28). A rotatable extension piece (14) has an angled plate (21) to finely adjust the feed rate.