Laminar flow cooling side-spraying angle adjustment device

The utility model discloses a laminar flow cooling side-spraying angle adjustment device which is connected with a nozzle. The laminar flow cooling side-spraying angle adjustment device comprises a fixing plate, an adjustment plate and a positioning pin, wherein a plurality of first scale holes are formed in the fixing plate, the adjustment plate and the fixing plate are coaxially arranged, a plurality of second scale holes are formed in the adjustment plate, each second scale hole can be flush with each first scale hole through rotation of the adjustment plate around the axis of the adjustment plate, the nozzle is fixedly arranged on the adjustment plate, and when any second scale hole is flush with any first scale hole, the positioning pin is arranged inside the first scale hole and the second scale hole in a penetrating mode. According to the laminar flow cooling side-spraying angle adjustment device, side-spraying angles can be accurately and rapidly adjusted.