Automatic repiecing device of automatic reeling machine

The invention discloses an automatic spinning-in device of an automatic reeling machine, the automatic spinning-in device comprises a clamping and shearing device responsible for reeling a yarn tail and a loosening and clamping device responsible for reeling a yarn head, the clamping and shearing device comprises a left fixed seat and a right fixed seat, the left fixed seat is connected with a long guide column and a blade, and the right fixed seat is connected with a short guide column and a trunking; the loosening and clamping device comprises a connecting plate, supporting blocks are fixedly connected to the two ends of the connecting plate, a push rod slidably penetrates through the supporting blocks, one end of the push rod is fixedly connected with a clamping block A, the other end of the push rod is sleeved with a guide sleeve, the guide sleeve is sleeved with a clamping block B, and a compensation spring is arranged between the clamping sleeve and the clamping block B in a sleeved mode. Meanwhile, a m