Floating tray mechanism and robot

A floating tray mechanism, comprising a tray and a mounting bracket, wherein the mounting bracket supports the tray to be mounted on a robot frame;

• the floating tray mechanism further comprises a floating contacting portion and a pulling rebounding portion, the floating contacting portion is provided on one of the tray and the mounting bracket, and the tray is movably supported on the mounting bracket through the floating contacting portion, the pulling rebounding portion is configured to be able to pull the tray back to an initial position of translation when the tray moves relative to the mounting bracket;
• the mounting bracket is provided with the floating contacting portion and the pulling rebounding portion, the floating contacting portion is in point-surface contact or surface-surface contact with the tray, and the pulling rebounding portion is connected to the tray and is able to make the tray back to the initial position of translation by rebounding force;
• the mounting bracket comprises a mounting support plate for supporting the tray, and the mounting support plate is provided with a floating mounting hole;
• and
• the floating contacting portion comprises a ball support seat and a universal ball, the ball support seat is locked and mounted to the floating mounting hole, the universal ball is rotatably mounted on the ball support seat, and the tray is slidably supported on the universal ball.