Importance

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Abstract

A block working blade unit which has working blades disposed in the form of a lattice in order to perform chipping work on the upper surface corner parts of a plurality of workpiece blocks when these blocks are arranged side by side at equal intervals. In a block chipping machine containing a conveyor and a working frame, the block working blade is disposed under the vibrator and an elevator is disposed below the block working blade unit to raise and lower the workpiece blocks toward the working blades. In order to perform the chipping process, the workpiece blocks lined up on a molding pallet are conveyed under the block working blade unit by the conveyor in the working frame and raised toward the working blades by the elevator. The present invention facilitates the replacement of working blades appropriately selected in accordance with the size of the workpiece blocks, and the replacement of worn working blades. Furthermore, chipping work of work piece blocks can be performed in a short time and the worked blocks can be conveyed into a stacking machine without rearranging the worked concrete blocks by manual labor or the like, by incorporating the chipping machine into a production line.

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First Claim