Fixture for glass mold

The utility model relates to a clamp for a glass mould, which comprises a bottom plate, an embedded hole is arranged in the bottom plate, the embedded hole comprises a first part and a second part, and the diameter of the first part is larger than that of the second part; the limiting block is fixed on the bottom plate; the abutting mechanism is arranged on the bottom plate in a sliding mode, a containing space is formed between the abutting mechanism and the limiting block, and the size of the containing space is adjusted through sliding of the abutting mechanism; adjusting screw, the adjusting screw rod is rotatably arranged in the embedding hole; the adjusting screw rod is provided with a first end and a second end; the first end is in threaded connection with the abutting mechanism; the first end rotates in the abutting mechanism to move the abutting mechanism, the second end is provided with an adjusting part, the adjusting screw is provided with a flange, the flange is located inthe first part, the diam