Bar feeder capable of being driven on two sides

The utility model provides a bar feeder capable of being driven on two sides, which comprises a feeding trough, a vibrating spring arranged at the bottom end of the feeding trough, a vibration exciter arranged below the feeding trough and a motor for driving the vibration exciter to vibrate, a driving wheel is connected onto the vibration exciter, a rotating wheel is arranged on the motor, and the driving wheel is connected with a driving motor. A belt is connected between the driving wheel and the rotating wheel; the vibration exciter comprises a driving shaft, and the two ends of the driving shaft are both sleeved with the driving wheels. After a machine is assembled, if a driving mode needs to be changed, a box body of the whole vibration exciter does not need to be disassembled, and the motor can be selected to drive one or two driving wheels on the two sides according to needs so as to drive the vibration exciter to work; the bar feeder capable of being driven on the two sides is mainly used for conveyin