Milling, surfacing and polishing machine with automatic tool change and corresponding device
AssigneeThibaut
InventorBernard Thibaut
Life of this patent
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Abstract
A milling, surfacing and polishing machine with automatic tool change comprises tool fastening and tightening means and tool drive means.
Claims9
A milling, surfacing and polishing machine with automatic tool change, comprising a drive spindle including drive means-for driving a tool about an axis, fastening and tightening means situated radially externally from said axis in relation to the drive means transmitting motion from the spindle to the tool, and immobilizing and centering means situated in a radially intermediate position, between said drive means and said fastening and tightening means, wherein the fastening and tightening means are conformed to lift the tool towards the spindle during tightening by bearing up under a corresponding conformation of the tool.
An automatic tool changing device for milling, surfacing and polishing machines, comprising a first element fixed to a tool-holding spindle, a second element permanently fixed to a sliding block, and a third fastening and tightening element fixed to the tool destined to be mounted onto the sliding block, in which is rotatably mounted a driving element of the tool, wherein the second and third elements respectively fixed to the sliding block and the tool comprise a hydraulic tightening means engaging and bearing up under a corresponding conformation of the tool, and wherein the fastening and tightening third element fixed to the tool comprises at least two centering pins, and an outer flange for tightening.
Dependencies are inferred from the claim text.