Dosing sewage treatment device for sewage treatment

The invention relates to the technical field of sewage treatment, in particular to a dosing sewage treatment device for sewage treatment, which comprises a frame body, a treatment tank, a first motor, a stirring rod, a liquid storage tank and a synergistic mechanism, the treatment tank is provided with a feed port and a discharge port, and the synergistic mechanism comprises a hole rod, a sliding rod, a circular ring, a connecting piece, a block body, a shaft body, a disc body, a support plate and a second motor. The output end of the first motor is fixedly connected with the hole rod, one end of the hole rod is inserted into the treatment tank, the sliding rod is slidably connected with the hole rod, the stirring rod is arranged on the sliding rod, the circular ring is rotatably connected with the sliding rod, the block body is provided with a through hole, the supporting plate is fixedly connected with the treatment tank, the second motor is installed on the supporting plate, and the output end of the secon