Core material combination of sandwich bean vermicelli outlet device

The utility model relates to a core material combination of a sandwich bean vermicelli outlet device, which comprises a core material tube (1) and a material outlet tube (4), wherein the material outlet tube (4) is arranged at the end of the core material tube (1); the end of the core material tube (1) is provided with a positioning device; the positioning device is provided with a positioning hole (3) and a two-leg or multi-leg positioning key (2); the two-leg or multi-leg positioning key (2) is tightly connected with the positioning hole (3) in a ring sleeve type stationary fit mode in the radial direction of the positioning hole (3); and the positioning device is tightly connected with the core material outlet tube (4) in the stationary fit mode. The core material combination of the sandwich bean vermicelli outlet device ensures the equipment precision, and obviously improves the qualification rate of products.