Billiard ball gripping device

The invention belongs to a billiard ball putting device, and particularly relates to a billiard ball gripping device for an automatic billiard ball machine. A polygonal inner frame body used for setting a billiard ball is arranged in an outer frame body, a back plate and the outer frame body are fixed, a plurality of thimble grooves are arranged on the outer frame body, the quantity of the thimble grooves is the same as that of sides of the inner frame body, a thimble base is arranged in each thimble groove, a plurality of thimbles used for billiard balls are arranged on the thimble base, holes are formed in the inner frame body, the thimbles can extend into the inner frame body, and the inner frame body can have two forms of a triangle and a diamond. The thimbles of different arrangement forms and sizes are designed for billiard balls with different putting methods and sizes, the whole set of billiard balls put in a plane can be stably gripped and fixed together with a good gripping effect, thus the billiard