Heat dissipation pipe pit pressing forming device

The utility model belongs to the technical field of tube type cores of heat exchangers, and discloses a radiating tube indentation forming device which is characterized in that an upper support, an upper clamping block and two guide sleeves are fixed on an upper die holder, part of a male die is assembled in a receding groove of an upper die block, and the end of the male die protrudes out of the receding groove of the upper die block. The lower support, the lower clamping block and the two guide columns are fixed to the lower die base, the other part of the male die is assembled in the receding groove of the lower die block, it is guaranteed that the end of the male die protrudes out of the receding groove of the lower die block, the positioning block is fixed to one side of the lower clamping block, and it is guaranteed that the circular groove of the positioning block and the circular groove of the lower die block are coaxial. The positioning rod is inserted into the circular groove of the positioning bloc