摘要 |
A horizontal drum concrete batch mixer (10) comprising a cylindrical mixer drum (12) which may be rotated in a mixing direction or a discharge directio n. The interior of the drum has mixing blades (62) provided thereon for mixing the concrete when the drum is rotated in its mixing direction. The interior of t he drum is also provided with transfer blades (60) which transfer the mixed concrete from the inlet end (18) of the drum to the discharge end (20) of the drum when th e drum is rotated in its discharge direction. A discharge chute (30) is movabl y positioned in the discharge opening (28) formed in the discharge end of the drumand is movable from a discharge position to a mixing position. A plurality of spaced-apart discharge blades (64) are secured to the interior of the drum a djacent the discharge end thereof for delivering the mixed material into the dischar ge chute when the discharge chute is in its discharge position and the drum is rotate d in its discharge direction.
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