Arrangement for mounting a power-operated clamping device on a m

Details Arrangement for mounting a power-operated clamping device on a m Arrangement for mounting a power-operated clamping device on a m

1989-04-26

1990-07-10

Schmidt, Frederick R.

Turning

Work driver

82127, B23B 2302

Patent

active

049399667

ABSTRACT:
An arrangement for mounting a power-operated clamping device for workpieces or tools on a hollow machine-tool spindle in which is disposed a securing rod that is adapted to be coupled with a drive member of the respectively mounted clamping device, and that is adapted to be actuated by a hydraulic or pressurized cylinder secured to the rear end of the spindle. Secured to a flange on the front end of the spindle is an intermediate ring to which the body of the clamping device is adapted to be secured via at least two securing pins. To provide a structurally straightforward design that requires no additional pressure medium cylinder, the securing pins are secured to the clamping device body and are axially oriented, with each securing pin being provided with a notch that has a tightening surface. Key rods are displaceably guided in the intermediate ring, with each key rod having a key that is introducible into a respective notch of the securing pins. A bayonet ring is rotatably yet axially non-shiftably mounted on a front end of the securing rod and is adapted to cooperate with a bayonet flange formed on the drive member of the clamping device, with the bayonet ring being provided with an external tooth construction that meshes with a tooth construction on at least one of the key rods.

REFERENCES:
patent: 4669741 (1987-06-01), Rohm
patent: 4819319 (1989-04-01), Rohm

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