Liquid injection device for button cell production

The utility model relates to the technical field of accessory devices of liquid injection equipment, in particular to a liquid injection device for button cell production, which can be used for keeping mechanical movement with a button cell by providing a platform and using a dropper on the platform under the action of mechanical force, so that the working efficiency of the equipment is improved, the working quality of the equipment is improved, and the production cost is reduced. The device comprises a liquid containing bottle, a conveying device, a box body and a support, the top end of the support is connected with the bottom end of the box body, a working cavity is formed in the box body, a through hole is formed in the top end of the working cavity, the bottom end of the liquid containing box penetrates through the through hole and is in threaded connection with the top end of the conveying device, and a through hole is formed in the bottom end of the working cavity. The bottom end of the conveying devic