New type sink pipe with exact orientation for construction

The utility model discloses pile-forming equipment for an immersed pipe prefabricated steel concrete pedestal pile, in particular an immersed pipe for buildings which is a supporting immersed pipe for various immersed pipe prefabricated steel concrete pedestal piles. The utility model is formed by a hollow pipe shaped pipe body (1), a bottom circumferentially provided with at least two guide vanes (3) and a metal pile head (4), wherein, locating grooves (9) matched with locating iron feet of earth excavating equipment are arranged at the positions corresponding to the guide vanes (3) inside the bottom, the front end of the metal pile head (4) is provided with a metal detecting stick (7). Compared with the prior art, the utility model assures the proportion relation between the pipe body and the inner diameter of the bottom, also fully takes advantage of the effective space in the guide vanes, allows the locating grooves to have adequate depth, ensures that the locating iron feet on the earth excavating equipm