Open mill for oil seal production

The utility model discloses an open mill for oil seal production, which comprises an open mill body, and the bottom of the open mill body is placed on the ground; the bottom of the left end and the bottom of the right end of the fixing rod are fixed to the top of the open mill body through screws, a moving frame is arranged on the fixing rod in a sliding mode, an ejection block is fixed into the moving frame, the bottom of the ejection block extends into a cutter, and the top of the cutter extends into the moving frame; the bottom of the top block and the sliding groove form a clamping mechanism through a limiting block, so that the cutter can be quickly disassembled and assembled; a protruding block is arranged in the moving frame in a sliding mode. The open mill for oil seal production is provided with the limiting blocks, the limiting blocks can be driven to slide in the sliding grooves by rotating the cutters, so that the sliding grooves and the limiting blocks can form a clamping mechanism, the cutters c