Carrier device and placement machine

A carrier device, configured for carrying a workpiece, comprising:

• a body, comprising a rotating motor assembly and a main body connected to the rotating motor assembly, wherein the main body comprises at least two suction planes, each suction plane is provided with a positioning sucker mechanism and a sliding sucker mechanism movable close to or far away from the positioning sucker mechanism, the sliding sucker mechanism comprises a sucker group, a positioning block connected to one end of the sucker group, and a first suction piece provided on the positioning block;
• and
• a positioner, arranged on one side of the body and adjacent to the positioning block, and comprising a driver and a clamping assembly connected to the driver, wherein the clamping assembly is provided with a second suction piece;
• wherein the rotating motor assembly is configured for driving the main body to rotate, one of the at least two suction planes is opposite to the workpiece, the driver is configured for driving the clamping assembly to approach the positioning block, the first suction piece and the second suction piece are mutually attracted, and the positioning block is clamped by the clamping assembly to drive the sliding sucker mechanism to suck the workpiece to the positioning sucker mechanism.