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US 10,207,331 B2Granted
Tool holder with fluid supply
AssigneeBilz Werkzeugfabrik GmbH & Co. KG
InventorsGerhard Babel, Ulrich Zierer
Life of this patent
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Abstract
A tool holder is disclosed for holding a tool shaft of a tool, the tool holder having a receiving bore for receiving the tool shaft in a predetermined axial position, having a seal at an inner end of the receiving bore, and further comprising a coolant supply from a machine-side into a bore of the tool shaft, wherein the seal has an at least partially elastically deformable sealing element.
Claims14
A tool holder defining a rotational axis for receiving a tool at a tool shaft thereof, said tool holder comprising:
- a receiving bore for receiving said tool shaft within a predetermined axial position;
- a sealing provided at an inner end of said receiving bore;
- a coolant feeding canal leading into a central bore of said tool shaft from a machine-side;
- wherein said sealing being held at an end of said receiving bore in a predetermined mounting position is configured as a plug comprising a central coolant passage;
- wherein said plug comprises a male thread held axially adjustably within a female thread of said tool holder;
- wherein said plug comprises a first end facing said tool shaft,
- said plug at said first end further comprising at least one partially elastically deformable sealing lip made of an elastomeric plastic material protruding into an undercut at an inner end of said receiving bore, said plug being adjustable in said axial direction by rotating said male thread within said female thread into a predetermined mounting position within said receiving bore.
4 more elements
A tool holder for receiving a tool at a tool shaft thereof, said tool holder comprising:
- a tool holder body comprising a receiving bore for receiving said tool shaft within a predetermined axial position;
- a central bore arranged within said tool holder body for feeding coolant toward said tool shaft;
- a sealing arranged at an inner end of said receiving bore;
- a coolant lance being sealed against said tool holder body for feeding coolant into a central bore of said tool shaft;
- a control bore arranged within said tool holder leading from said receiving bore to the outside for detecting a leakage;
- and
- a sensor being connected to said control bore.
4 more elements
Dependencies are inferred from the claim text.