Turnover conveying device for drying, welding and feeding of heat exchanger

The utility model discloses an overturning and conveying device for drying and welding of a heat exchanger, which comprises a transition conveying line arranged between the rear end of a drying conveying line and the front end of a welding conveying line, the transition conveying line is obliquely arranged, an overturning mechanism is arranged behind the drying conveying line, and the overturning mechanism comprises a fixed support, a rotating clamp and a control motor. The rotating clamp is installed on the fixing support, the rotating clamp is connected with the control motor, the rotating clamp is provided with clamp insertion teeth and a belt line, the rear end of the belt line is connected with the front end of the transition conveying line, the clamp insertion teeth are vertically arranged on the two sides of the belt line in the conveying direction of the belt line, and a plurality of rollers are arranged on the drying conveying line. And the clamp insertion teeth are alternately inserted between the a