Injection mold for headlamp lens

The utility model relates to the technical field of injection molds, and discloses an injection mold for a headlamp lens, which solves the problem that a plurality of bolts need to be disassembled when the existing mold is replaced, so that the mold is very inconvenient to replace. A mounting box is fixedly mounted on one side of the mounting frame, a motor is fixedly mounted in the mounting box, a first rotating rod is fixedly mounted at the output end of the motor, the first rotating rod extends into the mounting frame and is fixedly provided with a first chain wheel, and a first bevel gear is fixedly mounted on one side of the first chain wheel; a first clamping assembly is arranged on the upper side of the interior of the mounting frame, the first clamping assembly is in meshed connection with the first chain wheel, a second clamping assembly is arranged on the lower side of the interior of the mounting frame, and the second clamping assembly is in meshed connection with the first bevel gear; when the inj