Synthesizer

The utility model discloses a synthesizer. Fixing plate, an adjusting ring is attached to the upper surface of the fixing plate. A T-shaped hole is formed in the side wall of the adjusting ring; a dyebox is attached to the upper surface of the adjusting ring; a T-shaped rod is fixedly mounted on the lower surface of the dye box; the side wall of the T-shaped rod is attached to the inner wall of the T-shaped hole; a spring and a supporting pipe are fixedly mounted on the upper surface of the fixing plate; rotating rings are fixedly mounted on the upper surfaces of the springs; a limiting ringis attached to the side wall of the rotating ring; cover plates are fixedly mounted on the upper surfaces of the limiting rings; an adjusting rod is fixedly mounted in the middle of the upper surfaceof the cover plate; a screwing block is fixedly installed on the upper surface of the adjusting rod, a supporting rod is fixedly installed on the edge of the upper surface of the cover plate, a supporting plate is fixedly insta