Patent ID: 11883919
Assignee: nan
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An automatic fixture replacement mechanism for machine tool, comprising multiple fixtures for installing workpieces and movable manipulator for loading the fixtures; the movable manipulator is installed on at least one two-dimensional moving mechanism, the movable manipulator is provided with pins that are buckled with at least one corresponding fixture of the multiple fixtures, and the at least one corresponding fixture is provided with pin holes matching the pins; while installing the at least one corresponding fixture, the pins of the movable manipulator and the pin holes of the at least one corresponding fixture are matched, and the moving mechanism drives the movable manipulator to move the at least one corresponding fixture and fix the at least one corresponding fixture onto the machine tool, then the pins and pin holes are loosened; when processing of the workpieces finishes, the pins of the movable manipulator match with the pin holes of the at least one corresponding fixture, and the moving mechanism drives the movable manipulator to move the at least one corresponding fixture out of the machine tool and move the at least one corresponding fixture to a storage position, then the pins and pin holes are loosened,
wherein the at least one corresponding fixture includes a pin plate surrounding and protruding from an outer surface of the multiple fixtures, and
wherein the pin plate includes an upper protrusion in which the pin holes are arranged.