Solar orbit type automatic pencil sharpener

The invention discloses a solar orbit type automatic pencil sharpener comprising an annular orbit, a rotating mechanism and a solar charging module, and the upper part of the annular orbit is provided with guiding rails and the center of the circle is provided with a cutting hole; the rotating mechanism comprises two mobile modules arranged symmetrically, and a first connecting rod connected between the mobile modules; the bottoms of the mobile modules are matched with the guiding rails, and the middle of the first connecting rod is provided with a fixed ring which is coaxial with the cutting hole so that the mobile modules are rotated along the annular orbit by taking the cutting hole and the fixed ring as the axis; additionally, the rotating mechanism is provided with an embedded sliding chute which penetrates through the upper parts of the mobile modules and the first connecting rod and extends to the fixed ring; the sliding chute is internally provided with an elastic fastener for fixing a pencil; and the