The utility model relates to a positioning device for
laser marking of an ultrasonic
scalpel handle, which is provided with a working platform, an adjusting bottom plate is arranged on the working platform, a marking platform is arranged on the adjusting bottom plate, the adjusting bottom plate is connected to the working platform in a sliding manner, and the marking platform is connected to the adjusting bottom plate in a sliding manner; the marking platform is provided with a limiting rotating shaft and a limiting pressing block, the marking platform is provided with a leaning and pressing
assembly, the leaning and pressing
assembly comprises an adjusting groove, an adjusting
handle, a transmission gear, a transmission rack, a limiting sliding groove, a limiting sliding block, an adjusting rotating rod, a rotating seat and a leaning and pressing plate, the adjusting
handle comprises a rotating part and a rotating rod part, and the rotating part is provided with a transmission
tooth part; one end of the rotating rod part and the rotating part are integrally formed, the other end of the rotating rod part extends out of the adjusting groove, locking sliding grooves are formed in the upper end face and the lower end face of the adjusting groove, a plurality of locking magnetic blocks are arranged in the locking sliding grooves, connecting magnetic blocks are arranged at the upper end and the lower end of the rotating rod part, and the
diameter of the transmission gear is larger than that of the rotating part. The device is ingenious in structure, convenient and practical.