Clamping mechanism for processing of fish

The invention discloses a clamping mechanism for fish processing. A bottom plate is arranged on the lower surface of a support frame, mounting holes in uniform distribution are formed in the upper surface of the bottom plate, a fixing bolt is movably arranged in the corresponding mounting hole in a penetrating manner, a sliding groove is formed in the upper end of the side surface of the support frame, a lateral moving device is arranged in the sliding groove, a circular plate of the lateral moving device is in sliding connection with the sliding groove, clamping grooves are formed in the sidesurface of the mounting plate of the lateral moving device, and are in movable clamping connection with a positioning plate, a push rod is arranged at the upper end of the side surface of the positioning plate, the rear end of the push rod is in movable clamping connection with a fixing sleeve, and a second spring is arranged in the fixing sleeve. The clamping mechanism for fish processing comprises the support frame, is