Edge cutting device for environment-friendly paper pulp molded product

The utility model provides an environment-friendly paper pulp molded product trimming device which comprises a working frame, a supporting pipe, a transverse rod, a fixing nut, a lifting screw rod, an anti-skid supporting foot, a transverse driving frame structure, a transverse guide frame structure, an L-shaped fixing frame, a lifting air cylinder, an adjustable lengthening frame structure, an upper female die, a tool box, a protective door and a handle. The supporting pipes are welded to the four corners of the lower portion of the working frame. The transverse rod is installed on the lower portion of the inner side of the supporting pipe through a bolt. The fixing nut is welded to the lower portion of the supporting pipe. And the anti-skid supporting legs are glued to the lower part of the lifting screw rod. According to the utility model, the extension frames are inserted into the trapezoidal slots through the trapezoidal insertion blocks, so that the extension frames can be conveniently mounted during us