Material feeding device for automatic production line

A material feeding device for an automatic production line comprises a bearing gear ring, an inverted-U-shaped bearing table, a rotating driving motor, a first-stage feeding arm, a second-stage feeding arm, a feeding gripper, a driving gear and a feeding arm driving motor, reinforcing ribs are arranged in the middle of the inverted-U-shaped bearing table, supporting legs are arranged on the lower portion of the inverted-U-shaped bearing table, a driving gear bearing table is arranged on the front portion of the inverted-U-shaped bearing table, and a driving gear is arranged on the driving gear bearing table. A gear connecting table is arranged in the middle of the driving gear bearing table, a gear mounting groove is formed in the middle of the gear connecting table, the width of the gear mounting groove is the same as the thickness of the driving gear, and the driving gear is located in the gear mounting groove; a transmission shaft at the front part of the rotary driving motor penetrates through the gear co