Positioning structure for equipment and equipment combination

The utility model discloses a positioning structure. A driving mechanism and two guide blocks are installed on a first rack, the two guide blocks are located on the two sides of a positioning pin respectively, an insertion space is formed between the two guide blocks, the positioning block is installed on a second rack, an insertion hole is formed in the positioning block, and the positioning pincan be driven by the driving mechanism to be inserted into the insertion hole or pulled out of the insertion hole. The position of the positioning pin on the first rack and the position of the positioning block on the second rack are fixed; when the second machine frame is separated from the first machine frame and needs to be positioned with the first machine frame again, positioning of the firstmachine frame and the second machine frame can be achieved only by inserting the positioning block into the insertion space and then driving the positioning pin to be inserted into the insertion hole, and positioning is accur