Plate surface polishing equipment

The invention belongs to the field of furniture production, and particularly relates to plate surface polishing equipment which comprises a supporting table. A support is fixedly connected to the lower end of the supporting table, a base is fixedly connected to the lower end of the support, a guide rail is fixedly connected to the upper end of the base, a guide seat is slidably connected in the guide rail, the upper end of the guide seat is fixedly connected with a square sleeve, the upper end of the square sleeve is fixedly connected with a rack, and the upper end of the rack is engaged with a driving gear; and a square rod is connected in the square sleeve in a sliding manner. The guide rail, the guide seat, the square sleeve, the square rod, connecting rods, a clamp, the rack, a first motor and the driving gear are designed to form a moving mechanism, the rack can be driven by the first motor to move through the driving gear, and therefore the rack drives the square sleeve to move, the square sleeve drives