Turning and face grooving tool having a pin clamping mechanism

摘要

A turning and face grooving tool body has a pocket and a pin. The pin has a unitary one-piece construction and an elongated shape which defines a longitudinal direction along a pin axis. The pin includes pin top and bottom ends, a pin peripheral surface which extends therebetween, and a pivot protrusion which extends outwardly from the pin peripheral surface. The pin is rotationally asymmetric about the longitudinal pin axis. The pocket includes a base surface, transverse support walls, and a pin bore which opens out to the base surface and includes a pin bore inner surface. The pin is located in the pin bore and the pin top end protrudes beyond the base surface. The pivot protrusion is spaced apart from the pin top and bottom ends, offset in the longitudinal direction from a pin midway-point which is located midway between the pin top and bottom ends.

主权项

1. A turning and face grooving tool body (12) having a pocket (16) and a pin (20), the pin (20) having a unitary one-piece construction and an elongated shape defining a longitudinal direction along a pin axis P;the pin (20) comprising:
pin top and bottom ends (50, 52); a pin peripheral surface (54) extending therebetween; and a pivot protrusion (58) extending outwardly in a first direction from the pin peripheral surface (54);the pocket (16) comprising:
a base surface (26) and transverse support walls (32) which converge in an inward direction of the pocket, parallel to the base surface (26); and a pin bore (28) comprising a pin bore inner surface (30) and opening out to the base surface (26);wherein
the pin (20) is located in the pin bore (28) and the pin top end (50) protrudes beyond the base surface (26); the pin top end (50) has two pin top abutment surfaces (64) which converge in a direction perpendicular to the longitudinal direction; the pin (20) is rotationally asymmetric about the longitudinal pin axis P; and the pivot protrusion (58) is spaced apart from the pin top and bottom ends (50, 52) and offset in the longitudinal direction from a pin midway-point (62) located midway between the pin top and bottom ends (50, 52).