Linear reciprocating threading machine

The invention relates to a linear reciprocating threading machine, comprising an operating platform, a threading mechanism, a drive cylinder assembly, a workpiece locating and clamping mechanism and an automatic feeding system, wherein the drive cylinder assembly and the workpiece locating and clamping mechanism are connected by virtue of pins, and the automatic feeding system is fixed on the workpiece locating and clamping mechanism. By adopting the machine provided by the invention, threading on a special workpiece is realized, and the processing quality of the workpiece and the working efficiency are fully improved when the machine is in normal operation.