Clamping device capable of conveniently adjusting clamping force

The utility model discloses a clamping device with clamping force convenient to adjust, and relates to the technical field of fixing clamps. Comprising a machining table, and the other end of the top of the machining table is slidably connected with an adjusting mechanism; the adjusting mechanism comprises a bearing frame, a limiting block is fixedly connected to the interior of the bearing frame, traction springs are fixedly connected to the two sides of the limiting block correspondingly, and driving cylinders are fixedly connected to one ends of the two traction springs correspondingly; the bottom of the driving cylinder is slidably connected with the bottom end in the bearing frame, one side of the driving cylinder is fixedly connected with a grab handle, and the other side of the driving cylinder is fixedly connected with a clamping arm. The reciprocating motor drives the threaded shaft to rotate, so that the driving block drives the bearing frame to move through the connecting column, the position of th