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

FIELD: manufacture of building materials. SUBSTANCE: vibration machine tool has a bed with bearing rollers and vertical guideways mounted on it. The upper and lower carriages are movably set up on the guideways with the punch and the matrix with the vibrator placed correspondingly. The matrix is disposed on the carriage with the aid of shock absorbers. The carriages are connected by means of tractions and cantilevers with bushes mounted on the axle fastened on the vertical guideways. The leverage for shifting the carriages is made as a hollow lever with a movable bar placed in it. In this case some ends of the lever and the bar have crankpins for contacting with bushes and fixating their positions. The bushes are connected with the lower and upper carriages correspondingly. Their other ends are connected with handles spring-loaded between themselves. The crankpins of the lever are hinged with it. EFFECT: facilitated manufacture. 2 dwg