Edge fixing and edge cutting paper injection water needle device of paper machine

The invention relates to an edge fixing and edge cutting paper injection water needle device of a paper machine, and the device comprises a water needle frame; the water needle frame comprises two needle frame assemblies, each needle frame assembly comprises a movable water needle frame and a fixed water needle frame, the two movable water needle frames are positioned between the two fixed water needle frames, and adjustable edge fixing water needles are movably connected onto the two fixed water needle frames. A fixed-pressure water pipe is communicated with the adjustable edge fixing water needles, a guide sliding groove is movably connected between the adjustable edge fixing water needles, a trimming paper guide water needle is connected to the guide sliding groove in a sliding mode, a water needle driving device is arranged on each fixed water needle frame, a high-pressure water pipe is connected to the water needle driving device in a sliding mode, and the high-pressure water pipe is communicated with th