Pressing and locking type rotary indexing device

The utility model relates to a pressing and locking type rotary indexing device. The rotary table comprises a rotary table body and a rotary disc which is arranged on the rotary table body and can rotate, a locking device is arranged on the rotary disc, the locking device comprises pressing and covering blocks symmetrically arranged on the two sides of the rotary disc and pressing bolts used for extruding the pressing and covering blocks, and the pressing and covering blocks make contact with the side portion of the rotary disc. According to the indexing device, an extrusion fixing structure is adopted, clamping and pressing are conducted on the indexing device through the pressing blocks on the two sides of the rotary disc, firm locking of the rotary disc is guaranteed, meanwhile, in the long-term use process, abrasion gaps cannot occur, and the precision of the indexing device can be guaranteed for a long time. 本实用新型涉及一种压覆锁紧式回转分度装置。包括转台体、设置于转台体上并且可自转的转盘，所述转盘上设置有锁紧装置，所述锁紧装置包括对称设置于转盘两侧的压覆块、以及用于挤压压覆块的压紧螺栓，所述压覆