Universal pre-pressing film tearing mechanism

The utility model provides a universal pre-pressing film tearing mechanism which comprises a material positioning table, a jacking module and a pressing module, a fixing hole is formed in the side portion of the material positioning table, a thermocouple is inserted into the fixing hole, and a placing area used for placing a workpiece is formed on the upper surface of the material positioning table. The placing area is provided with a front pushing air cylinder and a side pushing air cylinder which are used for positioning the position of a workpiece, the downward pressing module is arranged above the material positioning table, a downward pressing air cylinder is arranged on the downward pressing module in the longitudinal direction, the jacking module comprises a bottom plate and a jacking platform, the bottom plate is connected with the jacking platform through a jacking air cylinder, the jacking air cylinder and the downward pressing air cylinder are relatively driven, and the jacking platform is connecte