Corner polishing device for vehicle navigation displayer

The invention discloses a corner polishing device for a vehicle navigation displayer. The corner polishing device comprises a base, wherein an installing seat is arranged on the upper end surface of the base; a plurality of rubber shock absorption blocks are fixedly connected between the installing seat and the base; a sliding chute is arranged at the middle of the upper end surface of the installing seat; an installing block is arranged at one end of the sliding chute and is fixedly connected to the installing seat; transverse grooves are formed in the two sides of the sliding chute; the interiors of the transverse grooves are connected to two connecting bolts in a sliding manner; and the interior of the sliding chute is connected to a moving block in a sliding manner. The corner polishing device has the beneficial effects that the front and back adjustment of a polisher and a polishing sheet are realized by enabling the moving block to slide inside the sliding chute; the adjustment of the polishing angles of the polisher and the polishing sheet is facilitated by enabling a connecting rod to rotate inside a rotating groove and arranging an angle scale line and a pointer; the corner polishing device is simple in structure and convenient to use and has strong practicability; and the plurality of rubber shock absorption blocks are fixedly connected between the installing seat andthe base, have a very good shock absorption effect and improve the polishing quality.