Tool changing – Process
Patent
1991-11-14
1993-02-23
Briggs, William
Tool changing
Process
294116, 483 36, 483902, 901 36, B23Q 3157, B25J 1502
Patent
active
051885794
ABSTRACT:
In the case of a machine tool having at least one tool changer for exchanging the tools of the machine tool, the tool changer comprises a gripper (13) provided with at least one movable jaw for form-locking engagement of the tools. The gripper (13) is further equipped with an actuating member (24), which is arranged for axial displacement in the longitudinal direction (30) and which, depending on its axial position, acts to open the at least one jaw for the purpose of inserting or removing the tools, or to close it for form-locking engagement of the tools. The actuating member (24) can be displaced into a first axial end position, by moving the gripper (13) asgainst a stationary stop (31) of the machine tool, for opening the at least one jaw, and can further be transferred, by closing means, into a second axial end position for closing the at least one jaw, as the gripper (13) is moved away from the stop (31). The closing means of this machine tool comprises a coupling mechanism (60) for selective coupling of the actuating member (24) and the stop (31). In addiiton, the invention describes a method for opening and closing a gripper, which is carried out on the machine tool.
REFERENCES:
patent: 3449823 (1969-06-01), Jerve
patent: 4609326 (1986-09-01), Roesler
patent: 4614456 (1986-09-01), Cattani
patent: 4845834 (1989-07-01), Watson
patent: 4878705 (1989-11-01), Arnquist
patent: 4879802 (1989-11-01), Winkler et al.
Haninger Rudolf
Ruschle Eugen
Briggs William
Chiron-Werke GmbH & Co. KG
Hackler Walter A.
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