Polyester draw texturing yarn production device

The utility model relates to a polyester draw texturing yarn production device, and belongs to the technical field of polyester draw texturing yarn, the polyester draw texturing yarn production device comprises a yarn feeding wheel and a yarn take-up wheel, a straight cylinder is arranged between the yarn feeding wheel and the yarn take-up wheel, the straight cylinder is provided with a through hole for polyester yarn to pass through along the length direction of the straight cylinder, the circumferential outer wall of the straight cylinder is fixedly provided with an object block, one side of the object block is provided with a groove, and the groove is communicated with the straight cylinder. A screw rod and a fixing rod are fixedly arranged on the inner wall of the groove of the object block, the screw rod and the fixing rod are oppositely arranged, the opposite ends of the screw rod and the fixing rod are fixedly connected with clamping blocks, one end of the fixing rod is fixedly connected with the objec