TOOL CUTTING TOOL HOLDER, IN PARTICULAR FOR A STRAIGHT-THROUGH LATHE CUTTER Russian patent published in 2019 - IPC B23B27/04 

FIELD: manufacturing technology.

SUBSTANCE: holder (12) in area of its front end has seat (20) for cutting plate, specified by upper and lower clamping jaws (24, 22). Holder (12) has upper part (34), on which upper clamping jaw (24) is located, and lower part (36), on which lower clamping jaw (22) is located, wherein upper part and lower parts (34, 36) are connected to each other only by means of web (42) passing between first and second separating groove (38, 40), wherein both separating grooves (38, 40) pass between upper part (34) and lower part (36) of holder (12) and are located on opposite sides of web (42) so that by means of web (42) upper part (34) is made with possibility of turning like a lever relative to lower part (36). First separating groove (38) passes in holder front area between socket (20) for cutting plate and web (42), and second separating groove (40) passes in middle area of holder between web (42) and clamping part (30), wherein holder (12) also has action means (44), which interacts with upper part (34) in middle region of holder and is configured to expand second separation groove (40) to move upper clamping jaw (22) to lower clamping jaw and clamping cutting plate (14) between upper and lower clamping jaws (24, 22).

EFFECT: easier attachment of the cutting plate to the holder.

12 cl, 10 dwg