DEVICE FOR ADJUSTING THE HEIGHT OF BUILDING BLOCKS

摘要

A device for adjusting the height of building blocks includes a metering apparatus for laying over the top surfaces of the blocks an amount of material which can harden and set, a levelling apparatus for flattening this material so that the blocks have a total height corresponding substantially to a predetermined height, a conveyor for the blocks for moving the blocks substantially continuously through the levelling apparatus, at least one levelling cylinder rotatable about a horizontal axis above a space through which the blocks are fed by the conveyor, and spacing or guiding members locating the cylinder at a relative spacing from the bottom surface of the blocks corresponding substantially to said predetermined height. The levelling cylinder is mounted on a frame movable in height relative to the blocks to be adjusted and the spacing ox guiding members are fixed relative to this frame and cooperate with the top surface of a plate or board on which the blocks are disposed. The spacing between the levelling cylinder and the portion of the spacing or guiding member intended to cooperate with the plate or board is substantially equal to the predetermined total height of the blocks.