Patent ID: 6276245
Filing Date: 2001-08-21
Classification: B23B,B23Q,Y10T

Abstract:
A bar work loading apparatus and a head traveling type vertical machine tool,said head traveling type vertical machine tool having:a main spindle, which has a hollow central portion provided as a pathway for a bar work, having an axis of rotation extending approximately in a vertical direction;a headstock rotatably supporting said main spindle, said headstock being movable in at least a direction of the axis of said main spindle and a direction perpendicularly intersecting the axis of said main spindle;a chuck, which has a hollow central portion that enables said bar work to be inserted into said main spindle, provided at a lower end of said main spindle; anda controller for controlling movement of said headstock and rotation of said main spindle and also controlling an opening and closing operation of said chuck;said bar work loading apparatus being provided in a vicinity of said head traveling type vertical machine tool in side-by-side relation to load said head traveling type vertical machine tool, said bar work loading apparatus comprising:a holding member capable of holding at least one bar work whose axial length is longer than a diameter thereof in such a manner that an axial direction of said bar work is parallel to the direction of the axis of said main spindle at least at a work receiving position where said chuck receives said bar work,wherein said holding member faces opposite to said chuck at said work receiving position in a direction perpendicular to the axis of said main spindle.