Machine tool
AssigneeOkuma Corporation
InventorShoichi Morimura
Life of this patent
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Abstract
The machine tool includes a tool post linearly movable along a direction parallel to an X axis and a direction parallel to a Z axis, a workpiece spindle which retains a workpiece in a condition rotatable about an axis parallel to the Z axis, and an in-machine robot which is installed in a machining chamber and has joints. The joints of the in-machine robot include a base joint rotatable about an axis parallel to the Z axis, and three parallel joints rotatable about an axis orthogonal to the axis of rotation of the base joint, the parallel joints being located on a distal end side of the base joint and successively arranged from the base joint. The axis of rotation of the base joint is displaced from that of the workpiece spindle.
Claims9
A machine tool, comprising:
- a tool post which is configured to retain one or more tools and is linearly moved along a direction parallel to a first axis and along a direction parallel to a second axis orthogonal to the first axis;
- a workpiece spindle device which is configured to retain a workpiece in a condition rotatable about an axis parallel to the second axis;
- and
- an in-machine robot installed in a machining chamber, the robot comprising a plurality of joints and a plurality of links for connecting the joints,
- wherein the plurality of joints in the in-machine robot comprise at least;
- a base joint which rotates about an axis parallel to the second axis, and
- three parallel joints which respectively rotate about axes orthogonal to the axis of rotation of the base joint, the three parallel joints being located closer to a distal end of the in-machine robot than the base joint and successively arranged from the base joint toward the distal end, and
- wherein the axis of rotation of the base joint is displaced from the axis of rotation of the workpiece spindle device.
Dependencies are inferred from the claim text.