Connecting mechanism of injection molding manipulator

The utility model discloses a connecting mechanism of injection molding manipulator, including connecting seat structure, connecting seat structure includes operating main part, mounting main part, mounting seat and preassembling seat, operating main part and mounting seat are fixedly installed together, mounting main part and preassembling seat are fixedly installed together, and the preassembling seat is fixedly installed on the mounting main part. The operation main body further comprises a first fixing block, a backing ring, a bolt and a backing rod, the first fixing block and the mounting base are fixedly connected into a whole, the backing ring is slidably mounted on the lower wall of the bolt in a sleeving mode, the backing ring is slidably clamped to the upper wall of the backing rod, and the backing rod is slidably clamped to the upper wall of the first fixing block; the mounting main body comprises a second fixing block, a clamping groove, an inserting opening, a nut and a blocking piece, the second