Machine tool driving apparatus
OwnerMasunori Moriinventor
Life of this patent
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Abstract
A machine tool driving device suitable for use in a shearing machine, a press or the like which has a machine tool mounted on a tool support vertically movable along a fixed frame, the device comprising at least a pair of links connected to the support for drivingly imparting vertical reciprocating movements thereto, the pair of links being always disposed symmetrically with respect to an imaginary vertical plane which passes through the center of the tool support plate so that horizontal components of the driving force which is imposed on the support by the paired links are cancelled by each other to allow high precision work.
Claims5
A machine tool driving device for a metal plate machining apparatus having a machine tool mounted on a tool support plate which is movable in a vertical direction toward and away from a metallic workpiece, said driving device comprising at least one pair of elongated links pivotally connected at a first end thereof to the tool support plate, a pair of rigid bell cranks each one of which is pivotable about an axis intermediate the ends of the two arms thereof, one arm of each said bell crank being pivotally connected to the second end of one of said links, an elongated driving source pivotally mounted intermediate the ends thereof and coupled pivotably at the ends thereof to the second arm of each said bell crank, the pivot axes of said pair of bell cranks and said driving source being in a common plane, said links being disposed symmetrically with respect to an imaginary plane passing through the center of said tool support plate whereby horizontal components of the driving force which is imposed on the support plate by said pair of links are cancelled by each other.
Dependencies are inferred from the claim text.