Ink jet protection device and protection method

The invention provides an ink jet protection device. The ink jet protection device includes a jet support provided with a plurality of first through holes used for separating the jets and arranged at intervals; a jet bracket disposed below the jet support and provided with a plurality of second through holes used for separating bag pipes of the jets and arranged at intervals; and a rubber body arranged between the jet support and the jet bracket and wrapping and fixing the bag pipes between the jet support and the jet bracket. By adopting the protection device, too compact arrangement of the jets is avoided; adjustment of jet electromagnetic valve is facilitated; ink leakage caused by bag pipe breakage can be avoided; better protection can be given to jet accessories; jet service lifetime can be prolonged; and ink leaked from the bracket can be reutilized, thereby saving cost. The invention also provides an ink jet protection method. 种油墨喷头的保护装置，包括：喷头支架，所述喷头支架上间隔的设置有多个用于将喷头分隔开的第通孔；喷头托架，所述喷头托架位于喷头支架的下方，所述喷头托架上间