Mould for internal joint of automobile

The utility model discloses an automobile internal joint die, which relates to the technical field of adapter die production and comprises a base, connecting bottom tables are fixedly mounted on two sides of the top end of the base, and a connecting bottom plate is mounted between the connecting bottom tables at two ends; an outer protection layer is fixedly mounted at the top end of the base; a bottom protection layer is fixedly mounted at the top end of the outer protection layer, a protection connecting groove is formed in the top end of the bottom protection layer corresponding to the positioning support, and a material injection groove is formed in the middle of the inner side of the bottom protection layer; a top plate is fixedly mounted at the top end of the outer protection layer; a feeding hole is formed in the inner side of the top plate; meanwhile, during use, other parts are locked through the connecting support, the overall stability can be kept in the use process, the situation that products are