Shield tunneling machine blade machining machine tool with automatic scrap removing function

The invention discloses a shield tunneling machine blade machining machine tool with an automatic scrap removing function, and relates to the technical field of shield tunneling machine blade machining, the shield tunneling machine blade machining machine tool comprises a disc cutter, a fixator, a support and an outer grinding assembly, the disc cutter is clamped and installed on the inner side of the fixator, the outer side of the fixator is fixedly connected with the support, and the outer grinding assembly is fixedly connected with the support. The outer grinding assembly is arranged below the fixing device, an inner grinding device is fixedly connected to the interior of the outer grinding assembly, the part, making contact with the disc cutter, of the inner side of the outer grinding assembly has the grinding effect, the fixing device comprises an annular hole groove, the annular hole groove is formed in the top of the outer grinding assembly, and a sliding clamping plate is slidably connected to the int