Crystal picking machine thimble mounting jig

The utility model discloses an ejector pin mounting jig of a crystal picking machine, and belongs to the field of ejector pin mounting of crystal picking machines. Including a base, a transmission case is arranged on the base; the transmission case sequentially comprises a front side plate, a rear side plate, a left side plate and a right side plate; a top plate is arranged at the top of each sideplate, guide sleeves are arranged on the left side plate and the right side plate, a movable rod is axially inserted into the two guide sleeves, one end of the movable rod extends out of the right side plate and extends outwards, the other end of the movable rod extends out of the left side plate, one end of the movable rod is connected with a detection plate, and the detection plate is parallelto the right side plate; a kidney-shaped positioning groove is formed in the right side plate, an upper positioning block and a lower positioning block are arranged on the right side plate and locatedon the upper side and the