Quantitative canning device

The utility model discloses a quantitative canning device which comprises a sample table, a lifting mechanism installed on the sample table and a material filling mechanism installed on the lifting mechanism, the material filling mechanism comprises a material storage tank, the material storage tank is provided with a material filling pipe and a material supplementing port, the material supplementing port is provided with a first electromagnetic valve, and the material supplementing port is provided with a second electromagnetic valve. A recycling tank is arranged above the material storage tank, an air outlet is formed in the middle-upper part of the recycling tank, the air outlet is connected with a vacuum pump, the recycling tank is connected with a material returning pipe, and the feeding end of the material returning pipe and the material filling pipe are arranged side by side; through cooperation of the filling mechanism and the weighing module, bottles with the filling quality not meeting the requireme