Multifunctional basketball exercise training machine

A multifunctional basketball exercise training machine belongs to sport equipment. A motor and a reducer are fixedly installed on the inside of the front end of a movable box, and the motor is connected with the reducer. A retaining plate is fixedly installed on the inside of the front end of the movable box and located at the position on one side of the reducer, a first shaft sleeve and a second shaft sleeve are respectively and coaxially installed on the reducer and a lateral wall of the retaining plate, two ends of a driving shaft are respectively inserted in the first shaft sleeve and the second shaft sleeve, and the driving shaft is connected with the reducer. An n-shaped door frame support is sleeved on the first shaft sleeve and the second shaft sleeve and locked through a fastener. A ball throwing device is fixedly installed on the driving shaft, an elastic upper retaining sheet and an elastic lower retaining sheet are respectively assembled on a top end portion of the n-shaped door frame support and