WIDE-BAND GRINDING MACHINE Russian patent published in 2002 - IPC

FIELD: wood working industry. SUBSTANCE: machine contains conveyor, mechanism for lifting it, rolling and pressing grinding devices. Each device is provided with extreme position pickup of grinding band and tightening roller. The roller is mounted to the fork connected to rod of vertically fixed air-operated tightening cylinder and rod of air-operated cylinder of rotation. Contac roller of the rolling device is installed to the eccentric bushings. Two driving roller of the pressing device are placed from sides of the presser. The guiding of the presser is connected to the rod of air-operated lifting cylinder through leverage system. Driving engines of grinding devices are placed lower than their driving roller. The fork of each tightening rollers is mounted for inclination in vertical plane. The leverage system of the pressing device is made of swivel shaft receiving four levers. The conveyor is provided with air-operated cylinder of angular shifting of its tightening roller. EFFECT: enhanced service life, accuracy and reliability of the machine, reduced working hours of its adjusting and maintenance. 23 cl, 12 dwg