Patent ID: 9662793
Date: 2017-05-30
CPC Classifications: B25J,B65G

Claim:
1. A stack gripper provided in a robot to pick up and transport a box stack, the stack gripper comprising: a fixing frame connected to a robot; a fixing panel provided at a lower portion of the fixing frame; a horizontal pressing member provided at a lower portion of the fixing frame to face the fixing panel and configured to be moved horizontally on the fixing frame; a vertical pressing member provided at a lower portion of the fixing frame and configured to be moved vertically; a fork member provided on the fixing frame to face the vertical pressing member and configured to be moved horizontally on the fixing frame; a motor provided on the fixing frame; a gear box connected to the motor to be operated; an upper shaft connected to the gear box to be rotated; pulleys rotatably provided to the upper shaft and the fixing frame; and a belt configured to connect the pulley of the upper shaft with the pulley of the fixing frame and having the fork member fixed to one side thereof, wherein the fork member is moved horizontally as the belt is moved by the upper shaft.