Workpiece changer mechanism for a machine tool

Metal working – Plural diverse manufacturing apparatus including means for... – Common reciprocating support for spaced tools

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Details

29563, 214 1BB, 214 1BC, 408 71, B23Q 3157

Patent

active

040902870

ABSTRACT:
A machine tool has a worktable slidably mounted on a bed for movement along a horizontal X axis opposite a spindle which is journalled for rotation about a horizontal Z axis perpendicular to the X axis, the spindle being slidably mounted on the bed for movement along the Z axis toward and away from the worktable and for movement along a vertical Y axis perpendicular to both the X and Z axes. A workpiece storage support is rotatably mounted on a frame adjacent to the worktable on the side thereof opposite the spindle. The worktable and workpiece storage support have guideways thereon for slidably receiving a pallet carrying a workpiece, the guideways being positioned so that they can be aligned to permit a pallet to be slid from the workpiece storage support to the worktable and vice versa along the Z axis. A pallet transfer bar is provided which is dimensioned on one end to fit in the spindle and is dimensioned on the other end to engage a pallet. To transfer a pallet from the workpiece storage support to the worktable or vice versa, the pallet transfer bar is clamped in the spindle, the worktable and spindle are moved along the X, Y and Z axes to align the pallet guideways and to engage the pallet transfer bar with the pallet, and the spindle is then moved in the appropriate direction along the Z axis to pull the pallet onto the worktable or push it off the worktable.

REFERENCES:
patent: 3825245 (1974-07-01), Osburn et al.
patent: 3986617 (1976-10-01), Blomquist

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