Adjustable overturning welding jig

The utility model discloses an adjustable overturning welding jig which comprises a base, a fixing frame, a gland and a plurality of ejector pins. The base is provided with a pivoting part; the fixed frame is pivoted and matched on the pivoting part, the fixed frame is provided with two groups of clamping plate assemblies with an adjustable distance, and the clamping plate assemblies are used for clamping a circuit board; the gland covers the fixed frame, and a plurality of positioning holes are formed in the gland; the ejector pins are inserted into the positioning holes in the corresponding positions according to the positions of the electronic elements to be welded on the circuit board and used for fixing the electronic elements. According to the utility model, the two groups of clamping plate assemblies with adjustable spacing are arranged in the fixing frame and are used for fixing the circuit board, the gland is provided with the plurality of positioning holes for inserting the ejector pins, the ejector