ROUND-SAWING MACHINE FOR LONGITUDINAL SAWING OF BOARDS Russian patent published in 2021 - IPC B27B7/04 

FIELD: woodworking industry.

SUBSTANCE: invention relates to wood processing, in particular, to sawing machines with disk saws for lengthwise sawing of boards. Tabletop (14) is fixed on the frame, in the middle part of which along its central longitudinal axis there is a hole with length and width not less than diameter and thickness of the circular saw. Axis (21) of the saw is hingedly fixed inside yoke (15) rigidly connected to the spring-loaded rod of the hydraulic cylinder connected through the reverse hydraulic pump to the hydraulic system. Electric motor via pulley-belt transmission accommodating roller spring loaded to tabletop bottom is connected with disk saw axis. Electric motor via tooth-and-chain gears is connected both with reversible hydraulic pump and with ejector fan. Passive pressure rollers (4, 5) are installed above tabletop, and cores of electromagnets are fixed on U-shaped axes (24) of which. First passive pressure roller (4) is installed above the active roller conveyor at the beginning of the table top, and the second passive pressure roller (5) is behind the hole with the disk saw. Sensors-receivers (6, 7) are fixed on table top opposite each other. Basing elements (9) are made in the form of angles with slots opposite receivers sensors.

EFFECT: simplified design of machine, increased safety of operator.

1 cl, 2 dwg