Clamping jig for surface mounting

The utility model discloses a clamping jig for surface mounting, which comprises a base, two sliding grooves are arranged on the upper surface of the base, two mounting blocks are slidably mounted on the sliding grooves, fixing blocks are arranged on the mounting blocks, a pressure sensor is mounted in the middle of the fixing blocks, and a roller carrier is mounted close to the output end of the pressure sensor. A second fixing block is arranged in the center of the interior of the base, the left side and the right side of the second fixing block are each fixedly provided with an electric telescopic rod, the output end of the second fixing block is fixedly installed at the bottom of the installation block, the front side and the rear side of the base are each provided with a second electric telescopic rod, and the output end of the second electric telescopic rod is provided with a push plate; a second pressure sensor is installed in the middle of the push plate, and a base plate is installed on the outer sid