The ornamental design for a coconutpuncturingdevice, as shown and described.
FIG. 1 is a front view of a coconut puncturing device;
FIG. 2 is a left side view of the coconut puncturing device;
FIG. 3 is a rear view of the coconut puncturing device;
FIG. 4 is a top view of the coconut puncturing device;
FIG. 5 is a bottom view of the coconut puncturing device;
FIG. 6 is a perspective view of the coconut puncturing device;
FIG. 7 is a right side view of the coconut puncturing device;
FIG. 8 is a front view of the coconut puncturing device, illustrating disconnection of a puncture tube retraction maintenance member; and,
FIG. 9 is a front view of the coconut puncturing device, illustrating disconnection of a puncture tube retraction maintenance member and movement of the puncture tube to a puncture position.