Table tennis ball picking device and automatic photographing device based on same

The invention discloses a table tennis ball picking device, and the device comprises a rack, a displacement mechanism, ball picking mechanisms, a ball collection mechanism, a control mechanism, a photographing mechanism, and a power mechanism. The rack is used for installing all parts. The displacement mechanism is installed at the bottom of the rack, and comprises a first drive motor and a longitudinal traveling wheel in transmission connection with the first drive motor. The displacement mechanism also comprises a second drive motor and a lateral traveling wheel in transmission connection with the second drive motor. The device is provided with two sets of ball picking mechanisms, and the two ball picking mechanisms are respectively disposed at the front and rear ends of the rack in the movement direction of the longitudinal traveling wheel. The ball collection mechanism comprises a ball feeding channel installed at a downstream side of a ball feeding plate, a screw blade disposed in the ball feeding channe