The utility model discloses a needle bed quick-lock device for a warp knitting machine. The needle bed quick-lock device for the warp knitting machine comprises a sliding substrate, wherein a movable locking bump is arranged on the sliding substrate. The needle bed quick-lock device for the warp knitting machine, disclosed by the utility model, uses a pair of sliding circular holes and locking screw rods, which are parallel mutually on the sliding substrate, when a needle bed is needed to be adjusted, users only need to poke a manual level to unlock, and then regulate the horizontal position of the quick-lock device; at the same time, through the adoption of the cooperation of a guiding chute and a guiding sliding rail, the users can regulate the longitudinal position of the whole quick-clock device. The quick-lock device is simple and convenient, and does not need a special tool, so that the availability of the warp knitting machine is greatly improved.