Electrostatic spraying device for railway accessory machining

The utility model relates to the technical field of railway accessory processing accessory devices, in particular to an electrostatic spraying device for railway accessory processing, which can adjustthe height of a hook according to the type and the size of a railway accessory, is convenient to replace after the hook is damaged, does not need to lose the whole hanging rod, reduces the productioncost and improves the production efficiency. The spraying device comprises a spraying box and a conveying device penetrating through the spraying box, a working cavity is formed in the spraying box,spraying guns are arranged on the rear side wall of the working cavity in a matrix mode, a hanging rod is arranged at the bottom end of the conveying device, and a plurality of sets of hooks are arranged on the outer side of the hanging rod; wherein the fixing device is used for fixing the hook, the fixing device comprises a square fixing column, a locking nut, a limiting cap and a locking screw rod, a plurality of first st