Circuit board clamping jig and circuit board coating and curing production line

The invention relates to a circuit board clamping jig and a circuit board coating and curing production line, the circuit board clamping jig comprises a jig frame, a fixing area is formed on the jig frame, the fixing area is used for installing a circuit board, at least two side edges of the fixing area are respectively provided with a rocker arm in a swinging mode, and a clamping groove is formed between the rocker arm and the side edge of the fixing area. A fixing assembly for adsorbing and fixing the rocker arm is arranged on the side edge of the fixing area; the circuit board coating and curing production line comprises a coating machine which is used for coating conformal coating on a circuit board clamped by a circuit board clamping jig; the curing oven is used for curing the circuit board coated with the conformal coating by the coating machine; the overturning mechanism is used for clamping and overturning the circuit board clamping jig on which the circuit board coated with the three-proofing paint o