PCB auxiliary clamping device for solder paste printing machine

The utility model discloses a PCB auxiliary clamping device for a solder paste printing machine, and belongs to the technical field of auxiliary clamping devices, the PCB auxiliary clamping device for the solder paste printing machine comprises a supporting base, a threaded rod, an auxiliary clamping seat, the solder paste printing machine, a movable frame and a PCB, the bottom side of the front end of the supporting base is fixedly connected with a fixed plate through a bolt, and the bottom side of the front end of the supporting base is fixedly connected with the fixed plate through a bolt. A bearing is fixedly arranged at the top end of the fixing plate, a threaded rod is movably arranged in an inner cavity of the bearing, and according to the scheme, clamping work of the clamping arms on the PCB through the clamping blocks can be achieved only by rotating the nut sleeve, so that the tedious fixing mode of fixing the four corners of the PCB in the prior art is replaced; the supporting base, the threaded ro