Tool changing – Including machine tool or component – Rotary spindle machine tool
Patent
1991-10-07
1994-01-11
Bilinsky, Z. R.
Tool changing
Including machine tool or component
Rotary spindle machine tool
279106, 294116, 483902, B23Q 3157, B25J 1502
Patent
active
052776891
ABSTRACT:
A tool changer for tools of a machine tool has a gripper on which two movable jaws are arranged for positive gripping of the tools and on which is mounted an actuation element which is axially displaceable in the longitudinal axis and swings the jaws around their respective pivot axis into a spread position for inserting and removing the tools and into a closed position for positive gripping of the tools. Between the actuation element and each of the two jaws there are provided one opening linkage and one closing linkage each. Each of the two opening linkages has an oblique surface provided on the actuation element that interacts with an opposing surface provided on the jaw for opening the respective jaw. Each of the two closing linkages has a guide bevel provided on the actuation element which interacts in each case by means of an associated rolling element with a contact surface provided on the jaw for closing the respective jaw. The two closing linkages positively lock the jaws in the closed position. Further, the actuation element is configured as a piston rod of a double-acting medium-actuated thrust piston that is arranged in the gripper. The oblique surfaces of the opening linkage can be brought into contact with the opposing surfaces for opening the jaws, whereby the oblique surfaces are out of engagement with the opposing surfaces during closing and when the jaws are in the closed position (FIG. 2 ).
REFERENCES:
patent: 2927703 (1960-03-01), Rainey et al.
patent: 3012811 (1961-12-01), Sandrock
patent: 3718216 (1973-02-01), Wilson
patent: 3845546 (1974-11-01), Rutschke
patent: 4878705 (1989-11-01), Arnquist
patent: 4879802 (1989-11-01), Winlker et al.
Haninger Rudolf
Ruetschle Eugen
Bilinsky Z. R.
Chiron-Werke GmbH & Co. KG
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