Stamping die with variable die cavity

The utility model provides a stamping die with a variable die cavity, and relates to the technical field of stamping dies, the stamping die comprises a main body and an adjusting mechanism, the adjusting mechanism is arranged on the inner side of the main body, a liquid outlet mechanism comprises a power assembly, a transmission assembly and a limiting assembly, and the power assembly is arranged on the inner side of the main body. A transmission assembly is arranged on one side of the power assembly, and a limiting assembly is arranged on the outer side of the transmission assembly. Through the arrangement of the adjusting mechanism, the motor drives the gear to rotate, the diameter of the driving gear is larger than that of the driven gear, the response speed is increased, the transmission rod rotates to enable the moving head to move, the moving head on the other side sleeves the outer side of the limiting rod and slides in the limiting groove along the limiting rod, and the situation that movement on the