Combined structure of rotary table and base for small-size five-shaft machining device

The invention relates to a combined structure of a rotary table and a base for a small-size five-shaft machining device. The combined structure comprises a rotary table part (1) and a base part (2) and is characterized in that the base part (2) is in an L-shaped structure and is provided with an X-shaft base (2-2) and a lathe base (2-1) with a hollow internal part; the rotary table part (1) is arranged on the base part (2), and the rotary table part (1) and the base part (2) are in an integrally modeling structure or a fixed connection structure; the rotary table part (1) comprises a B-shaft base (1-1), a B-shaft supporting base (1-2), a B-shaft lifting lug (1-3) and a C-shaft rotary table mechanism (1-4); the B-shaft base (1-1) and the B-shaft supporting base (1-2) are arranged on the lathe base (2-1); the both ends of the B-shaft lifting lug (1-3) are respectively and movably connected with the upper parts of the B-shaft base (1-1) and the B-shaft supporting base (1-2); the C-shaft rotary table mechanism (1