TOOL BLOCK-TO-HOLDER ATTACHMENT SYSTEM, TOOL BLOCK AND LOCKING FIXTURE Russian patent published in 2010 - IPC B23B29/00 

FIELD: machine building.

SUBSTANCE: system refers to metal cutting machine and intended for stepless adjustment of size between holder centre and cutter. For quick replacement of tool block, the system includes on it the first linear flange and the second linear flange which is parallel to the first one; at that, in addition, tool block includes cutter attachment devices, at least one fixing cam to be fixed on one of linear flanges on tool block, attachment device for fixing at least of one first fixing cam in holder by means of the first fixing bolt, which acts on linear flange for pressing the tool block to holder and at least one additional attachment device which is connected to holder and designed for being engaged with other linear flanges, and which has the second fixing cam attached to holder by means of the second bolt. Tool block attachment holder has two sides facing opposite directions; at that, the first side is intended to face the tool block, and the other side - to be attached to metal-cutting machine. At that, the side facing the tool block has the area to be butt joint to it. In order to achieve the same technical effect, on each of sides of external surface of the area intended to be butt joint to the tool block there located is additional area one of which is intended to fix the first fixing cam designed to be connected to flange located on tool block, and the second one - to attach the second fixing cam intended to be attached to the flange located on tool block.

EFFECT: proposed attachment system provides stepless adjustment of size between holder centre and cutter, as well as quick replacement of tool.

6 cl, 4 dwg