Stop device of ball hitting device

The invention discloses a stop device of a ball hitting device. The stop device comprises a bottom board, the upper end of the bottom board is provided with a coiling wheel, the left end of the coiling wheel is provided with a thorns wheel, a guide rail is arranged behind the thorns wheel, the guide rail is provided with a slide block, the upper end of the slide block is provided with a long support, the middle portion of the long support is hinged with an L-shaped block, an elastic body is disposed behind the long support, and a cylinder is disposed behind the guide rail. The cylinder can control movement of the L-shaped block, the rotating direction of the coiling wheel can be controlled. The stop device of a ball hitting device is reasonable in structural design, convenient to use and low in manufacturing cost.