Thermal insulation device for stacking bearing rings

The utility model discloses a thermal insulation device for bearing ring stacking, which relates to the technical field of bearing ring stacking equipment and comprises a conveyor for conveying bearing rings, a proximity switch, a stacking robot and a thermal insulation mechanism, the proximity switch is arranged at the tail end of the conveyor, the stacking robot is arranged on the ground beside the conveyor, and the thermal insulation mechanism is arranged at the tail end of the conveyor. The proximity switch is electrically connected with the palletizing robot, the thermal insulation mechanism comprises a bottom plate, an inserting cylinder, an inserting rod, an elastic piece and a contact block, the bottom plate is arranged at the tail end of the conveyor and arranged in front of the proximity switch, the inserting cylinder is arranged on the upper end face of the bottom plate, the inserting rod and the elastic piece are arranged in the inserting cylinder, the inserting rod is connected with the inserting