Pruning device for forestry

The utility model relates to the technical field of forestry tools, in particular to a forestry pruning device which comprises a supporting frame, an L-shaped support is integrally connected to the supporting frame, a handle is fixedly connected to the L-shaped support, a motor is installed on the supporting frame, and the output end of the motor is fixedly connected with a threaded rod movably connected with the handle. A first rotating shaft is rotatably arranged on the L-shaped support, a gear meshed with the threaded rod is in key connection with the first rotating shaft, a rotating disc fixedly sleeves the first rotating shaft, a sliding groove is formed in the supporting frame, a sliding block is slidably arranged in the sliding groove in a sleeved mode, and a first connecting rod movably connected with the rotating disc is movably connected to the sliding block. A trimming mechanism in transmission connection with the first connecting rod is arranged on the supporting frame; through cooperative use of