Engraving and milling machine convenient for positioning tempered film

The utility model relates to the technical field of tempered film processing, in particular to an engraving and milling machine with a tempered film convenient to position, which is characterized by comprising a machine body and a base, a bearing table is fixedly mounted in the machine body, an X-axis sliding assembly is arranged on the bearing table, and a Y-axis sliding assembly is arranged on the base. A Y-axis sliding assembly is arranged on the base, a Z-axis sliding assembly is arranged on the Y-axis sliding assembly, a machining assembly is arranged on the Z-axis sliding assembly, an electric cabinet is fixedly installed on one side of the base, an industrial personal computer is arranged in the electric cabinet, the X-axis sliding assembly comprises an X-axis guide rail, a workbench and an X-axis driving piece, and a plurality of fixing parts are fixedly arranged on the workbench. The cross section of the jig is rectangular, and a positioning piece used for positioning a tempered film to be machined i