Wood-plastic inward opening sash sectional material forming die

The invention relates to a wood-plastic inward opening sash sectional material forming die. A mouth die a, a mouth die b, a mouth die c, a confluence plate, a support plate a, a support plate b, a transition plate, a die body and a core rod are sequentially connected from top to bottom through screws, a Z-shaped frame is arranged in a die cavity formed by the mouth die a, the mouth die b and the mouth die c, the upper end of the Z-shaped frame is divided into a plurality of sectional frames, a C-shaped clamping groove A is formed in the lower end of the sectional frame on one side, a clampinghook A is arranged on the sectional frame on the other side, a large rectangular frame is arranged in the middle of the Z-shaped frame, a clamping hook B is arranged on the frame edge of the side, close to the C-shaped clamping groove A, of the large rectangular frame, a C-shaped clamping groove B is formed in the upper end of the other side of the large rectangular frame, an inward groove is formed in the lower end of th