PCR consumable film cutting tool

The utility model discloses a PCR consumable film cutting tool. The device is matched with PCR consumable film cutting equipment and comprises a base fixedly arranged on a laser cutting working table,a first fixing mechanism, a second fixing mechanism and a third fixing mechanism, wherein the first fixing mechanism, the second fixing mechanism and the third fixing mechanism are positioned on thebase and are used for cutting and positioning a PCR consumable inner side film, a PCR consumable outer side film and a disc consumable front and back film respectively; the first fixing mechanism comprises a first supporting piece and a PCR consumable carrier plate fixedly arranged on the first supporting piece. The second fixing mechanism comprises a second base, a stepping motor, a synchronous belt wheel and a bearing box, the stepping motor, the synchronous belt wheel and the bearing box are fixedly arranged on the second base, a synchronous belt is connected between the stepping motor andthe synchronous belt wheel