Welding positioning mechanism of control box support

A welding positioning mechanism of a control box support comprises a base assembly used for containing a control box and a support positioning structure arranged on the base assembly, the base assembly comprises a base body, a machining table top and at least two control box positioning assemblies, and the support positioning structure comprises a guide rod. The device comprises a base, a sliding sleeve, a linear driving assembly, a telescopic rod, a clamping jaw assembly and a laser positioning assembly. According to the welding positioning mechanism for the control box support, at least two control box positioning assemblies are arranged, so that it can be guaranteed that the position of a control box is accurate when the control box is placed on a machining table top, the support positioning structure is arranged, and the support positioning structure comprises one clamping jaw assembly and one laser positioning assembly; the clamping jaw assembly can clamp a support perpendicular to the control box, the l