Object brake having overload protection function

The utility model discloses a matter brake device with an overload protection function, which is arranged on the transmission path of multiple matters. The matter brake device comprises a base arranged on a preset position of the path and a swing element pivoted with the base, wherein the upper end of the swing element is provided with a retaining part and extends to a position which can be triggered by the matters on the transmission path, the retaining part of the swing element forms an inclined part relatively to the end face and extends to a position which can be triggered by the matters on the transmission path, and a spring is provided between the swing element and the base. The spring limits the acting force of overload protection when the matter contact the retaining part or the inclined part, to independently eject, release and retain the matter. The utility model eliminates the cylinder of traditional brake devices, eliminates an external controller controlling the cylinder, simplifies the structure