Mould pressing device for porcelain insulator blanks

The utility model discloses a mould pressing device for porcelain insulator blanks. The mould pressing device comprises a prepressing device (1), and is characterized by further comprising a mould pressing apparatus (2), the mould pressing apparatus (2) comprises an upper mould (3) and a lower mould (4), a rotary motor (5) is connected to the lower part of the lower mould (4), and a lifting air cylinder (6) is connected to the upper part of the upper mould (3). By adopting the technology provided by the utility model, the pug consumption is reduced by 30 percent, the efficiency is improved by 20 percent, and the defective rate of products is lower than 5 percent. Compared with the prior art, the mould pressing device provided by the utility model has the advantages of lowered manual operation strength, high product accuracy, stable quality, wide application range, improved production efficiency, reduced pug consumption and lowered product cost.