Patent ID: 9381609
Filing Date: 2016-07-05
CPC Classification: B23B,B23Q,Y02P,Y10T

Claim Text:
1. A chip discharging device of a machine tool, comprising: a chip discharging member configured to discharge chips generated by machine processing of a workpiece at a processing point to an outside of the machine tool; and a chip shooter configured to introduce the chips to the chip discharging member, wherein the chip shooter includes an introducing opening for introducing the generated chips, a discharging opening for discharging the chips toward the chip discharging member, and a guide wall surface connecting the introducing opening and the discharging opening, wherein the guide wall surface includes first and second vertical wall surfaces extending in a vertical direction and first and second inclined wall surfaces inclined with respect to the vertical direction, wherein the first and second vertical wall surfaces are connected to the introducing opening, wherein the first and second inclined wall surfaces are continuously configured to the first and second vertical wall surfaces, and are connected to the discharging opening, wherein a boundary part between the first and second inclined wall surfaces, and a boundary part between the first inclined wall surface and the first vertical wall surface are formed by a flat surface or a curved surface, and wherein the first and second vertical wall surfaces are configured closer to the processing point than the first and second inclined wall surfaces to the processing point.