Ball extruding device machining standard chain and chain plate holes

The utility model discloses a ball extruding device machining standard chain and chain plate holes. The ball extruding device machining the standard chain and chain plate holes comprises a base installed on a rack, a chain plate conveying groove, a supporting frame, a chain plate storing device, a steel ball circulating device, a sliding positioning device, a transmission device and a punch fixed to a punching machine, wherein the chain plate conveying groove is fixed to the center of the base, and the supporting frame is fixed to the base; the chain plate storing device is provided with an inclined groove, and the port of the inclined groove leads to the chain plate conveying groove; the steel ball circulating device is composed of two pipelines, the outlet ends of the two pipelines lead to the upper faces of two holes in each chain plate to be machined, and the inlet ends of the two pipelines are located on the lower faces of two holes of a lower chain plate of the punch; the sliding positioning device and the transmission device complete a series of actions, such as moving, returning, positioning, chain plate conveying and steel ball placing through a moving plate, a spring, a fixed plate, a positioning push plate, a wedged push plate fixed to the punching machine, and a wedged block fixed to the moving plate, the chain plates to be machined can be continuously conveyed to the lower face of the punch, and a steel ball is punched by the punch, so that the chain plate ball extruding technology is completed. The ball extruding device is high in automation degree and high in production efficiency.