Plywood production pre-cooling device with slow cooling function

The plywood production pre-cooling device with the slow cooling function comprises plywood gradual change type cooling equipment, and the plywood gradual change type cooling equipment comprises a plywood guide-in shell, a height adjuster, a temperature detection mechanism, a gradual change type temperature adjusting mechanism and a grid type cooling plate. The plywood guiding-in shell comprises a storage box and a guiding machine shell installed above the storage box, the storage box and the guiding machine shell are integrally formed, two sets of conveyors are symmetrically arranged on the two sides of the guiding machine shell, the height adjuster is installed in the storage box and composed of two sets of hydraulic cylinders, and the temperature detection mechanism is arranged in the inner wall of the guiding machine shell. The gradient temperature adjusting mechanism comprises a water storage tank, a water conveying pipe, a cold water guide plate, a hot water guide plate and a connecting pipeline. Accordi