Compound blade disc of edge milling machines

The utility model relates to a machinery processing technology field, concretely relates to a compound blade disc of edge milling machines, including last blade disc, truncated edge blade disc and the lower blade disc that from top to bottom sets gradually, go up blade disc, truncated edge blade disc and the coaxial setting of blade disc down, just blade disc, truncated edge blade disc is gone up and the connection can be dismantled between the blade disc down, the limit is milled to the steel sheet to the cutter body cooperation of going up in blade disc, truncated edge blade disc and the lower blade disc periphery. The utility model provides a pair of compound blade disc of edge milling machines can assemble the blade disc according to different needs, practices thrift manufacturing cost and improves the utilization ratio of blade disc.