Pneumatic card hoops, which are installed with the connector of the pipe, have the structure of using the cylinder to drive the sliding table for positioning, the core part is the clamping mechanism of the pneumatic card hoop.After clamping the tubular product through the upper and lower mould, different joints are installed with the sliding platform driven by the cylinder. After installation, the pneumatic card straps are clamped to complete the installation process.This model is a typical use of many pipe installations, which is of great reference.