Hole opening device for sensor accessory machining

The utility model belongs to the field of sensors, particularly relates to a trepanning device for processing sensor accessories, and aims to solve the problem that the service life of a drill bit is shortened due to the fact that an existing trepanning device for processing the sensor accessories cannot cool the trepanning position, the following scheme is provided: the trepanning device comprises a supporting seat, a first two-way motor is fixedly arranged on the supporting seat, and a second two-way motor is arranged on the supporting seat; a first bidirectional motor is fixedly connected to the top of the supporting seat, a clamping and sweeping assembly is arranged on the first bidirectional motor, a transmission box is fixedly connected to the top of the supporting seat, a supporting frame is fixedly connected to the supporting seat, a storage box is fixedly connected to the top of the supporting frame, a spraying assembly is arranged on the storage box, and a U-shaped frame is fixedly connected to the