VIBRATION MACHINE TOOL FOR MAKING STRUCTURAL BLOCKS Russian patent published in 1995 - IPC

FIELD: manufacture of building materials. SUBSTANCE: vibration machine tool has a punch, a matrix with a removable pallet and a vibrator placed on the bed for vertical displacement. A flexible sealing member is mounted on the lower surface of the matrix along its perimeter. The punch is made with a crankpin on its lateral surface. The matrix is equipped with plate-like springs having limiters on the free ends and with a rotating flag member contacting with the punch crankpin. The springs are fastened on the outer walls of the matrix for possible contacting with the pallet. The flexible sealing member has a cone tip in the lower part. Besides, the removable pallet has irregular recesses and the punch has hollow-core forming mandrels with the configuration corresponding to the upper part of the block. EFFECT: facilitated manufacture. 2 cl, 3 dwg