Automatic pre-assembly device for locking component

The utility model relates to an automatic pre-assembly device for a locking component. The automatic pre-assembly device comprises a rack, a positioning clamp unit, a base pre-assembly unit and a sealing cover pre-assembly unit, wherein the positioning clamp unit is arranged on the rack, and the base pre-assembly unit and the sealing cover pre-assembly unit are arranged on a first assembly station and a second assembly station of the rack respectively. Compared with the prior art, pre-assembly of a plurality of locking bases and a plurality of locking sealing covers can be completed conveniently at a time through the mechanisms and components in the pre-assembly device, automatic operation of pre-assembly of intelligent locking product components is achieved, an existing manual pre-assembly mode is replaced, the production cost is greatly lowered, and the product production efficiency and yield are improved.