DEVICE FOR CUTTING MOVING STRIP OF WOOD VENEER WITH KNIFE AND ITS TENSION UNIT, INCLUDING MECHANISM FOR VERTICAL MOVEMENT OF PRESSURE SHAFT WITH CHAIN TENSIONER Russian patent published in 2023 - IPC B27L5/08 

FIELD: woodworking industry.

SUBSTANCE: device contains a knife, a knife tension unit, a mechanism for vertical movement of pressure shafts with gear motors, and a chain tensioner for the vertical movement mechanism installed on the frame. The knife is made in the of connected upper and lower belts, rotated by an electric motor mounted on the frame. The tension unit contains two pneumatic cylinders installed on the pneumatic cylinder frame, which create a tension force on the knife during cutting of veneer. The mechanism for vertical movement of the upper and lower pressure shafts contains four jacks installed on the jack frame, connected by a chain transmission and allowing the gap to be adjusted between the cutting edges of the knife and the surface of each pressure shaft. The chain tensioner is made in form of two double-armed levers mounted on the frame.

EFFECT: reliability in the cutting process increases, the time for setting up the device is reduced, the accuracy of cutting the veneer strip is increased, the structural elements of the device are significantly simplified, and energy costs are reduced, as well as the cost of production and operation.

5 cl, 6 dwg