Rectangular glass four-side grinding system

The utility model discloses a rectangular glass four-side grinding system which comprises a supporting frame body and a grinding mechanism, a first limiting rod is connected to the interior of the supporting frame body in a clamped mode, a movable frame penetrates through the upper end of the first limiting rod, a fixing block is connected to the upper side of the front end of the movable frame, and a first motor is installed at the upper end of the first limiting rod; the lower end of the first motor is connected with a first threaded rod, and an electric push rod is mounted at the upper end of the movable frame. According to the rectangular glass four-edge grinding system, the distance between the movable frame and the first movable plate can be adjusted through the electric push rod, a glass plate is clamped and fixed, the rectangular glass four-edge grinding system can be suitable for glass of different thicknesses, and the glass plate can be protected when the glass plate is clamped through the fixing bl