Pretreatment device for freezing and fresh keeping of pork

The utility model discloses a pretreatment device for freezing and fresh keeping of pork, which relates to the field of meat processing and comprises a base, a back plate is mounted on the back of the base, a mounting frame is fixed above the outer surface of the back plate, a cam is sleeved inside the mounting frame through a connecting shaft, and sliding grooves are formed in two sides of the outer surface of the back plate. A reset spring is fixed to the upper portion in the sliding groove, and the bottom end of the reset spring is connected with a sliding block. By arranging the liquid pushing assembly, when the movable plate moves downwards, the movable plate can pull the pull rope, the pull rope can drive the liquid pushing plate to move after being pulled, the reset spring can be extruded after the liquid pushing plate moves so that the reset spring can be compressed under stress, at the moment, the liquid pushing plate does not shield the gutter channel any more, and when the movable plate moves upwar