Core positioning clamp assembly of vacuum pumping forming machine

The utility model relates to the technical field of clamps, in particular to a vacuum pumping forming machine core positioning clamp assembly which comprises a base plate and an upper base plate which are arranged in parallel, guide sleeves are arranged on the left side and the right side of the upper base plate in a penetrating mode, guide columns are connected with inner cavities of the guide sleeves in an inserted mode, and gaskets are bonded to the top ends of the guide columns. A plurality of glass tubes are connected between the base plate and the upper seat plate, a first O-shaped ring is arranged at the top of each glass tube, a second plastic gasket is arranged at the bottom of each glass tube, a plurality of stainless steel tubes are inserted into the upper seat plate, and the outer walls of the stainless steel tubes are sleeved with second O-shaped rings. The cell positioning clamp assembly of the vacuum pumping forming machine adopts a vacuum pumping mode to clamp and loosen the cell, and has the