Tapping device for three-way joint of gardening watering device

The invention discloses a tapping device for a three-way joint of a gardening watering device. The tapping device for the three-way joint of the gardening watering device comprises a base, wherein one end of the base is provided with a fixed clamp; the other end of the base is provided with a movable clamp capable of sliding on a guide rail; one end of the movable clamp is provided with an air cylinder for driving the movable clamp to slide; and the inner side of the fixed clamp and/or the inner side of the movable clamp are/is provided with a joint fixing structure for fixing the three-way joint. The tapping device for the three-way joint further comprises a drill bit for tapping the three-way joint and a moving device for driving the drill bit to move. The tapping device for the three-way joint of the gardening watering device provided by the invention is simple in structure, high in production efficiency, low in labor intensity, safe and high in processing quality. 本发明公开了一种用于园艺洒水装置的三通接头的攻牙装置，其包括底座，所述的底座上的一