Precise electronic injection device

The utility model relates to a precise electronic injection device, which comprises a driving motor, the driving motor at least comprises a driving motor, a screw rod coupled with the driving motor, a control chip and a signal receiver, and the control chip is respectively coupled with the driving motor and the signal receiver; the push rod is coupled with the screw rod and is driven by the screw rod to move back and forth; the injection needle cylinder is coupled with the push rod, and the interior of the injection needle cylinder is extruded by the push rod; and the power supply module is coupled with the driving motor and is used for providing electric power required during driving. Motor rotating speed formula information is written in the control chip in advance, and the signal receiver can drive the driving motor through the control chip to drive the screw rod to drive the push rod to extrude the injection needle cylinder according to the motor rotating speed formula information after receiving a drivin