Machine part assembling platform

The utility model relates to the technical field of assembling platforms, and discloses a mechanical part assembling platform which comprises a machining table, a portal frame is slidably connected to the machining table, a limiting groove is formed in one side of the portal frame, a fixing plate is arranged on the lower portion of the portal frame, and a second push rod motor is fixedly installed on the top face of the portal frame. The driving end of the second push rod motor slidably penetrates the portal frame and is fixedly connected with the fixing plate. According to the technical scheme, a second push rod motor at the top of the portal frame is started and adjusted to a designated position, a second sliding block on a two-way lead screw in a second sliding groove and a clamping plate on the second sliding block are rotated through a handle, and a designated part is clamped through the clamping plate; and the worm in the rack on the fixed block on one side and the worm gear on the fixed block connectin