Lift and rotate unit for lifting and rotating a plurality of payloads

A lift and rotate unit to perform lifting and rotating of a plurality of payloads, comprising:

• a first drive unit comprises:
• a plurality of lift gears arranged in one plane,
• a lead screw shaft located at two ends through at least one linear bearing of a plurality of linear bearings at each of the two ends, wherein a first linear bearing of the plurality of linear bearings is sandwiched between a lower end of the lead screw shaft and a base plate, and wherein a second linear bearing of the plurality of linear bearings is sandwiched between a top end of the lead screw shaft and a shaft housing, wherein the lead screw shaft comprises a geared step for power transmission,
• a lift motor,
• a lead screw nut,
• a lift motor gear, and
• a top plate;
• a second drive unit with a plurality of rotary gears arranged in another plane, a driven rotary gear, a rotary motor, a rotary motor gear, and a rotating plate;
• the top plate with at least one guide shaft from a plurality of guide shafts is configured as a surface on which the plurality of payloads is loaded;
• and
• the rotating plate with at least one linear bearing from the plurality of linear bearings to house the plurality of guide shafts at a plurality of corners and to rotate the top plate by the second drive unit.