Vehicle door sheet metal part checking fixture clamping device

The utility model relates to a vehicle door sheet metal part checking fixture clamping device, when the vehicle door sheet metal part checking fixture clamping device of the utility model is used, a rack assembly is installed on a vehicle body main checking fixture and is located at one side of the vehicle door sheet metal part checking fixture, a rack is driven by a driving mechanism to move back and forth, and when the driving mechanism drives the rack to move forward, the rack is driven by the driving mechanism to move back and forth. The rack drives the gear to rotate, so that the rotating bent arm extends into the other side of the automobile door metal plate testing fixture from the operation hole until the pressing head presses the corresponding position of the other side of the clamping area; when the driving mechanism drives the rack to move backwards, the rack drives the gear to rotate reversely, so that the rotating bent arm and the pressing head are reset together. 本实用新型涉及一种车门钣金件检具夹紧装置，当使用本实用新型的一种