Patent ID: 8307682
Filing Date: 2012-11-13
Classification: B23B

Abstract:
1. A pipe chamfering device for chamfering an opening of a metal pipe comprising: a secured member secured onto a rotating plate and having a hollow section through front and rear side faces and through apertures at upper and lower ends of the secured member connected to the hollow section, each through aperture accepting a spring, a threaded section formed at an outer end of each through aperture for engaging with a bolt, and a dovetail block formed on a front side of the secured member; a sliding member having a dovetail slot on a rear side mounted correspondingly with and sliding along the dovetail block of the secured member, the sliding member having an axial aperture, an axial rod disposed in the axial aperture, a front end of the axial rod extending from a front side of the sliding member and connected to a roller, an inclined face formed at a front edge of the roller, a rear end of the axial rod extending into the hollow section of the secured member and forming a rectangular block, the rectangular block respectively compressed by the springs in the secured member, and a strip slot disposed on the sliding member; and a chamfer cutting tool apron having a chamfer cutting tool, the chamfer cutting tool apron mounted on the strip slot of the sliding member, the chamfer cutting tool apron capable of adjusting a gap on the strip slot between the chamfer cutting tool and the roller.