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Automatic tool changer

  • US 5,300,006 A
  • Filed: 07/02/1993
  • Issued: 04/05/1994
  • Est. Priority Date: 07/02/1993
  • Status: Expired due to Fees
First Claim
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1. A machine tool having an automatic tool changing capability and comprisinga machine frame,a spindle rotatably mounted to said machine frame for rotation about a central axis and for axial movement along said central axis, and including a tool engaging fixture,a tool storage magazine for supporting a plurality of tools and including a plurality of tool holders disposed in a generally arcuate arrangement which defines a magazine axis which extends through said arcuate arrangement,means mounting said tool storage magazine to said machine frame for movement about said magazine axis and for movement between a storage position withdrawn from said central axis and an advanced position proximate to said central axis, with said magazine axis being parallel to said central axis when said magazine is in said advanced position, and such that in said advanced position any one of said tool holders may be aligned with said central axis, anddrive means comprising a single drive motor for selectively moving said magazine between said withdrawn and advanced positions and moving said magazine about said magazine axis, so that when said magazine is in said advanced position a selected tool holder may be brought into alignment with said central axis and said spindle may be axially moved so that a tool may be transferred between the selected tool holder and said tool engaging fixture of said spindle.

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