Drilling device for battery pack shell machining

The utility model provides a drilling device for processing a battery pack shell, which comprises a base, the base is connected with the shell and a clamping mechanism, the base is connected with a position adjusting device, the position adjusting device is connected with a punching device, and the punching device comprises a pneumatic cylinder, a first rotating motor and a drill bit; the base is connected with the collecting box, leaking holes are formed in the base, and the two leaking holes are provided with a positioning barrel and a baffle respectively; the base is provided with a vertical plate, the inner side of the vertical plate is connected with a heat dissipation device, and the heat dissipation device comprises a second rotating motor and fan blades. The first rotating motor is driven by the pneumatic cylinder to descend, the drill bit is driven by the first rotating motor to rotate, the fan blades are driven by the second rotating motor to rotate, heat dissipation of the drill bit is achieved, im