Fixator for fixing plate thickness controller on aluminum template

The utility model discloses a fixer for fixing a plate thickness controller on an aluminum template, which comprises a limiting piece provided with a connecting part and a limiting part which are arranged one by one along the horizontal direction and connected with each other, the connecting part is provided with a vertically through connecting hole, the connecting part is used for abutting against the aluminum template, and the limiting part is used for abutting against the lower end of the plate thickness controller; the head portion of the fastening screw abuts against the connecting portion when the plate thickness controller is fixed, and the rod portion of the fastening screw penetrates through the connecting hole and is used for being in threaded connection with the aluminum formwork when the plate thickness controller is fixed, so that the lower end of the plate thickness controller is pressed on the aluminum formwork through the limiting portion while the connecting portion is fixed to the aluminum f