首页|Patent Issued for Method for performing tool change with robot arm (USPTO 120489 99)
Patent Issued for Method for performing tool change with robot arm (USPTO 120489 99)
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The patent’s assignee for patent number 12048999 is Chieftek Precision Co. Ltd. (Tainan, Taiwan).News editors obtained the following quote from the background information suppli ed by the inventors:“As disclosed in PCT International Publication No. WO202024 9465A1 titled “TOOL CHANGER FORCOLLABORATIVE ROBOTS, A ROBOT TOOL CHANGER SYSTE M AND A METHOD FOR CONNECTINGA TOOL TO A ROBOT ARM” and U.K. Patent Application Publication No. GB2292365Atitled “automatic tool changer”, the robot arm is to couple a tool coupling unit held by a tool changergripper, and then drives the tool coupling unit out of the tool changer gripper in a horizontal direction, so that the tool can be changed in a small space. In the disclosure of PCT Intern ational Publication No.WO2020249465A1, the device holder (44) is a fixed type. In the process that the second tool changer part(14) enters or leaves the devic e holder (44), the device holder (44) does not have any degrees of freedom.Ther efore, the device holder (44) cannot be moved. Once there is an error in the pre set working pathof the robot arm, the first tool changer part (12) will not be coupled with or decoupled from the secondtool changer part (14) in the correct position. This will cause the interference of the first tool changerpart (12) a nd the second tool changer part (14) to be coupled with or decoupled from each o ther. Thissituation increases the wear between the first tool changer part (12) and the second tool changer part(14) and reduces the precision of their combin ation. In severe cases, the first tool changer part (12) maycollide unexpectedl y with the second tool changer part (14) to cause damages.
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