Convenient-to-mount pin mounting jig

The utility model discloses a pin mounting jig convenient to install, which comprises a bottom plate, four corners of the top of the bottom plate are connected with supporting columns through bolts, the tops of the supporting columns are connected with a top plate through bolts, the top of the bottom plate is connected with an assembling mechanism through bolts, the top of the top plate is connected with a purifying mechanism through bolts, and the purifying mechanism is connected with a pin mounting mechanism through bolts. A first guide groove is formed in the bottom of the top plate, a vertical plate is connected to the right side of the bottom of the top plate through bolts, a first electric rod is connected to the right side of the vertical plate through bolts, and the output end of the first electric rod penetrates through the vertical plate and is connected with an L-shaped sliding plate through bolts. Through cooperation of the power box, the servo motor, the threaded rod, the clamping block and the c