Self-braking sewing machine tool car

The utility model discloses a self-braking sewing machine tool lathe, and belongs to the technical field of sewing machine design. A brake part is arranged at one end of a transmission part, the brake part is connected with the transmission part, and the transmission part can rotate relative to the brake part; one end of the reset piece is fixed with the brake piece, the other end of the reset piece is fixed with the sewing machine, and the reset piece is used for driving the brake piece to reset; one end of the brake part abuts against the moving part when the brake part resets and is used for braking the moving part. The device has the advantages that when pushing of the pushing piece is stopped, the reset piece can automatically drive the brake piece to reset, one end of the reset brake piece abuts against the moving piece, the moving piece stops moving, and then the sewing machine connected to the moving piece stops moving; the whole process of resetting the brake part to brake the moving part does not ne