Improved structure of base loam core

The utility model discloses an improved structure of a base loam core, and belongs to the technical field of base loam cores. Comprising loam cores, the loam cores comprise the first loam core and the second loam core, the second loam core is arranged in the first loam core, an auxiliary block is arranged at one end of the second loam core, two core heads are arranged on the first loam core, and the two core heads are symmetrically arranged on the two sides of the first loam core correspondingly; a gluing area is arranged at the clamping position between the interior of the first loam core and the outer wall of the second loam core. The problems that an existing loam core is high in cost, the risk of core disengagement exists when the loam core is assembled in the mode that a buckle is matched with glue coating, if the buckle is not clamped, the loam core deviates, and the structure of a manufactured product deviates are solved, the two core heads are arranged on the loam core I, so that the loam core is arra