Contact lens forming liquid injection device

The utility model discloses a contact lens forming liquid injection device, which relates to the technical field of contact lens production, and comprises a workbench, a support plate, a raw material box, a liquid injection mechanism and a quantifying mechanism, the upper surface of the workbench is fixedly connected with the support plate, and the top end of the support plate is fixedly connected with the raw material box; the front side of the raw material box is fixedly connected with a liquid injection mechanism, the liquid injection mechanism is in transmission connection with a quantifying mechanism, the quantifying mechanism comprises a driving box, a motor, an incomplete gear, a second gear connecting plate, a sliding rod, a screw rod and a moving plate, the driving box is fixedly installed on the raw material box, and a partition plate is arranged in the driving box; the partition plate divides the interior of the driving box into an upper cavity and a lower cavity, and the motor is fixedly installed