Device for simultaneously and automatically fastening multiple screws

The utility model discloses a device for simultaneously and automatically fastening multiple screws. The device is formed by welding a bottom plate and a vertical plate. Wherein a first sliding mechanism, a double-shaft air cylinder, a workpiece mounting plate, an air cylinder and the like are arranged on the bottom plate, and the workpiece mounting plate is connected with the air cylinder and a first sliding block and moves front and back under the action of a control system; the second sliding mechanism, the buffer plate combination and the screwdriver guide combination are all connected to the second sliding block and are driven by the driving air cylinder to move up and down at the correct position on the guide rail, and under the action of the control system, through control over air connection and disconnection, the screwdriver can be driven to move up and down at the correct position on the guide rail. Simultaneously fastening a plurality of groups of screws according to a certain torque; the problem t