Optical cable connector box of robot signal line

The utility model discloses an optical cable connector box of a robot signal line, which comprises a box body, the upper end of the box body is fixedly connected with an observation window, and a rotary winding and unwinding device is arranged in the box body; a twisting handle rotationally connected to one side of the box body is arranged in the rotary folding and unfolding device, and one side of the twisting handle is rotationally connected with a first pair of bevel gears. According to the utility model, when the optical cable connector box is used, the connector box can be fixed and placed in advance by using the rotary take-up and pay-off device, and the internal optical cable can be randomly adjusted according to the distance of connecting equipment through rotation, so that the optical cable can be extended for connection without dismounting the optical cable connector box when the equipment is replaced in the later period; and meanwhile, a large number of reserved wires are placed on the internal col