Quick changeable collet clamping assembly
AssigneeSchaublin SA
InventorRené Motschi
Life of this patent
Estimating the term…
Abstract
A clamping assembly includes a collet adapter and an expansion sleeve movably disposed in collet adapter and a draw pin movably disposed in the expansion sleeve. The expansion sleeve cooperates with the draw pin to define a containment system configured maintain the expansion sleeve within an axial envelope and a radial envelope within the collet adapter. Axial movement of the draw pin in the expansion sleeve within the axial envelope causes a portion of the expansion sleeve to expand radially outward to a predetermined maximum diameter to releasably clamp the collet in the collet adapter.
Claims17
A clamping assembly for releasably clamping a collet, the clamping assembly comprising:
- a collet adapter;
- an expansion sleeve movably disposed in collet adapter;
- a draw pin movably disposed in the expansion sleeve;
- the expansion sleeve cooperating with the draw pin to define a containment system configured maintain the expansion sleeve within an axial envelope and a radial envelope within the collet adapter;
- wherein axial movement of the draw pin in the expansion sleeve within the axial envelope causes a portion of the expansion sleeve to expand radially outward to a predetermined maximum diameter to releasably clamp the collet in the collet adapter.
A clamping assembly for releasably clamping a collet, the clamping assembly comprising:
- a collet adapter comprising a first interior surface defining a first bore concentric about a longitudinal axis, the first bore extending from a collet loading end to a draw bar receiving end of the collet adapter;
- an expansion sleeve removably disposed in the first bore and in sliding engagement with a portion of the first interior surface, the expansion sleeve having a second interior surface defining a second bore extending between a first end and a second end thereof, the expansion sleeve having a first exterior surface extending therearound and the expansion sleeve having a portion of the first exterior surface defining a clamping portion proximate the first end thereof;
- and
- a draw pin removably disposed at least partially in the second bore, the draw pin having a second exterior surface;
- wherein a portion of the second exterior surface engages a portion of the second interior surface of the expansion sleeve causing radially outward movement of the clamping portion in response to axial displacement of the draw pin relative to the expansion sleeve.
A collet extraction tool for extracting a collet from a collet adapter, the extraction tool comprising:
- at least one latch for releasably grasping the collet.
Dependencies are inferred from the claim text.