Machine for Opening and Cracking Shelled Nuts

A machine for cracking and opening pistachio shells per unit, comprising:

• a chain with a perforated pin for feeding pistachios;
• a plurality of pistachio receptacles mounted on the chain, each of the plurality of pistachio receptacles having an elongated hollow cantilever a support pin and a return spring;
• a lower tensioner gear and an upper head gear guiding the chain;
• a bin having a funnel-shaped inlet, the bin adapted to contain loose pistachios;
• a round crusher head that includes:
• length adaptors with return spring;
• an immobilizing bearing adaptor, and
• an adaptor immobilizing bearing around a rotation axis of the head;
• wherein the bearing carries inside it two cams mounted concentrically on the rotation axis of the head and configured to adjust the immobilization of the adaptor in a position directly opposite a thrust bearing at an upper point of the crusher head;
• a cam mounted on a plate around a periphery of the head;
• and
• a pistachio pressure depth adjustment mechanism disposed at a top of a periphery of the gear, which includes a thrust bearing adjustable by utilizing a screw, a pressure bearing base, and a wedge,
• wherein the round crusher head is configured to apply pressure to both ends of a pistachio simultaneously with an adjustable depth of pressure.