Sand making and processing system capable of processing sand with different particle sizes

The invention discloses a sand making and processing system capable of processing sand with different particle sizes. The sand making and processing system comprises a crushing box and a recovery device, a first crushing roller and a second crushing roller which are matched with each other are arranged in the crushing box, first movable grooves are formed in the side walls of the two sides of the crushing box respectively, a first movable block is arranged in the first movable groove in one side of the crushing box, a second movable block is arranged in the first movable groove in the other side of the crushing box, first connecting shafts are arranged at the two ends of the first crushing roller correspondingly, first connecting grooves matched with the first connecting shafts are formed in the first movable block, second connecting grooves matched with the first connecting shafts are formed in the second movable block, a first motor used for driving the first crushing roller to rotate is arranged on the fir