Dyeing machine for polyester sewing threads

The utility model provides a dyeing machine for polyester sewing threads. The dyeing machine comprises four supports; the bottom of the filtering splash-proof assembly is fixedly connected to the tops of the four supports, the filtering splash-proof assembly comprises a protection box, the bottom of the protection box is fixedly connected to the tops of the four supports, the right side of the top of the protection box is fixedly connected with an air suction machine, and the left side of the air suction machine communicates with an air suction pipe. According to the dyeing machine for the polyester sewing threads, through cooperation of the air suction machine and the filter box, air is filtered and discharged conveniently, dye liquor is prevented from splashing conveniently through the protection box, the structure is simple and practical, and the problems that due to the fact that the air emitted by the dyeing machine is inconvenient to filter, part of the dye liquor pollutes air, and the dyeing effect is