Sand core filtering device

The utility model discloses a sand core filtering device, and particularly relates to the field of liquid detection equipment, the sand core filtering device comprises a filtering cup, a sand core filter and a standard plug triangular flask, the sand core filter is located at the bottle opening of the standard plug triangular flask, the filtering cup is located at one side, far away from the standard plug triangular flask, of the sand core filter, and the filtering cup is located at the bottle opening of the standard plug triangular flask. The clamping device comprises a support and a clamping component located on the support, the clamping component comprises a mounting plate, two clamping blocks and a driving assembly driving the two clamping blocks to move, the mounting plate is located on the support, the two clamping blocks are closed in an annular shape, and the two clamping blocks are hinged to the mounting plate. According to the sand core filtering device disclosed by the utility model, through the cl