Machining center clamp convenient to install

The utility model relates to the technical field of clamps, in particular to a machining center clamp convenient to install, which comprises a machining table, a placing plate fixedly installed on the machining table, a pair of arc-shaped frames fixedly installed on the machining table, the placing plate located below the pair of arc-shaped frames, and sliding grooves formed in the pair of arc-shaped frames. A plurality of fixing holes are formed in the pair of arc-shaped frames, a pair of sliding blocks are connected to the pair of sliding grooves in a sliding mode, a pair of inserting holes are formed in the pair of sliding blocks, threaded plug pins are connected to the pair of inserting holes in an inserted mode, the threaded plug pins penetrate through the inserting holes to be connected with the fixing holes in an inserted mode, and nuts are connected to the threaded plug pins in a threaded mode. According to the device, the threaded plug pin penetrates through the inserting hole to be inserted into the