Textile machine convenient for replacing line wheel

The utility model discloses a textile machine convenient to replace a line wheel, which comprises a textile machine, a line wheel and two supporting seats, and the line wheel is positioned on the rear side of the textile machine. Through the cooperative use of the textile machine, the thread wheel, the supporting seat, the groove, the replacing mechanism, the shell and the positioning mechanism, a user pushes a control rod downwards, the control rod drives a linkage block and a transmission block to move downwards, and then the control rod is matched with the positioning mechanism, so that a positioning rod leaves the interior of a positioning hole; the problems that when an existing textile machine is used, the thread wheel needs to be frequently replaced according to different textile cloth, however, according to an existing replacement mode, the thread wheel needs to be detached with the help of a large number of tools, then the thread wheel can be taken out, and the replacement efficiency is high are solv