Automatic splitting device suitable for Y-shaped cloth and sewing machine

The invention discloses an automatic splitting device suitable for Y-shaped cloth; the Y-shaped cloth has a horizontal part and a vertical part connected to the horizontal part; the automatic splitting device comprises a bottom plate positioned below and a cover plate positioned above the bottom plate, a horizontal channel for the horizontal part to pass through is arranged between the cover plateand the bottom plate, a vertical channel for the vertical part to pass through is arranged on the cover plate, and a retaining plate is mounted on the cover plate. The automatic splitting device suitable for the Y-shaped cloth is reasonable in structural design; the Y-shaped cloth can be effectively and automatically split by providing the horizontal channel, the vertical channel and the retaining plate, the size deviation of the Y-shaped cloth can be prevented, the process difficulty and the labor intensity of workers are reduced, the working efficiency is improved, the quality of products can be guaranteed, and the