Burr polishing device for valve production

The utility model belongs to the technical field of valve production, and particularly relates to a valve production burr polishing device which comprises a mounting seat, a clamping mechanism, a transmission mechanism and a polishing mechanism. A clamping mechanism is arranged on one side of the top of the mounting base, a transmission mechanism is arranged on the other side of the top of the mounting base, and a grinding mechanism is fixed to the top of the transmission mechanism; according to the valve polishing device, the polishing mechanism is arranged, a handle is manually rotated, a two-way screw B is matched with a thread in an L-shaped auxiliary plate, a polishing piece at one end of the L-shaped auxiliary plate moves to a proper position, limiting and fixing are conducted through a limiting nail at the other end of the L-shaped auxiliary plate and a guide rod, the polishing piece is fixed, and therefore the valve is polished; and the two-way screw rod B is driven to rotate, and the position of the