Tunnel instant freezer with auxiliary limiting structure

The utility model relates to the technical field of food freezing, and discloses a tunnel instant freezer with an auxiliary limiting structure, which comprises an instant freezing tunnel, a mounting frame, a steel transmission belt, a first motor, an air pipe, a first air cooler, a second air cooler and an auxiliary limiting mechanism, the steel transmission belt is installed on the inner side of the installation frame, the first motor is fixedly connected to the outer portion of the installation frame, the air pipe is arranged at the top of the quick-freezing tunnel, the first air cooler is installed on the upper portion in the quick-freezing tunnel, and the second air cooler is installed at the bottom in the quick-freezing tunnel. And the auxiliary limiting mechanism is arranged at the top of the mounting frame. According to the tunnel instant freezer with the auxiliary limiting structure, a second motor drives a double-thread screw to rotate, so that an adjusting limiting plate can be adjusted to move, foo