Manufacturing method of frieze combined needle-punched formable carpet

The invention discloses a manufacturing method of a frieze combined needle-punched formable carpet. The method includes the following steps: A, opening, mixing, carding and lapping fibrous materials according to a preset proportion to form a uniform fiber web, forming carpet surface layer grey cloth by bonding via a pre-needling process, and then performing needled friezing on one side of the carpet surface layer grey cloth via a main needling process by taking a used support mesh plate as a brush which is made of a plurality of bristles with the diameter of 0.20-0.30mm and with the pore diameter of gaps formed between the bristles of 0.10-0.15mm; B, opening, mixing, carding and lapping fibrous materials according to a preset proportion to form a uniform fiber web, forming a carpet bottom layer by bonding via the pre-needling process, and combining the carpet surface layer in the step A and the carpet bottom layer in the step B to obtain the combined needle-punched carpet; D, rolling up, stentering and baking