Air-cooling heat dissipation device for laptop CPU

The invention discloses an air-cooling heat dissipation device for a laptop CPU (central processing unit). The air-cooling heat dissipation device comprises a mounting frame, a sealing plate, air ventilating ports, impellers, a rubber sleeve, a patch, a rotary disc, grooves, a turnover plate, a connecting rod, a push rod, a slide groove, an adjusting bolt, a rotary rod, a rotary shaft, a joint ball, a thread joint, a fixed plate, a support rod, a same-polarity magnet sheet, a rotary shaft and a motor. The air-cooling heat dissipation device has the beneficial effects that the rubber sleeve isarranged at one end of the mounting frame, both sides of an opening in the rubber sleeve are respectively provided with the grooves, the turnover plate can be swung in the grooves, the turnover plateis connected to the rotary shaft by the connecting rod on the joint ball, the adjusting bolt on the push rod connected with the rotary shaft can be slided in the slide groove, and then the turnover angle of the turnover plate