Lens feeding mechanism

The invention discloses a lens feeding mechanism which comprises a machine table, a material box conveying mechanism, a transfer device, a lens picking device and a lens conveying mechanism, and a material box station, a lens feeding station and a feeding station are arranged on the machine table; the material box conveying mechanism is used for conveying a material box provided with a plurality of lenses to the material box station; the transfer device is used for transferring a material box which is located on the material box station and provided with a plurality of lenses to the lens feeding station. The lens picking device is used for picking lenses in a material box which is located on the lens feeding station and provided with a plurality of lenses to the feeding station. The lens conveying mechanism is used for conveying the lens placed on the feeding station to the next station. In the whole process, the lenses are automatically transferred from the material box to the circulation tool conveyed on th