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This application relates to the field of screen printing technology and discloses a screen printing device for the production of safety helmets, comprising: a support frame, serving as the basic component of the overall device for supporting and assembling various processing mechanisms and their subordinate structural components; a rotating clamping mechanism, disposed inside the support frame, for securely clamping the safety helmet; a synchronous adjustment mechanism, disposed on one side of the outer wall of the support frame, for synchronously adjusting the position of the ink filaments; and a scraping mechanism, fixedly connected to the top of the support frame, for scraping the ink filaments on different outer walls of the safety helmets. The rotating clamping mechanism includes a fixed frame. By setting up the scraping mechanism, the inner arc of the scraper can be adjusted during clamping and adjustment inside the safety helmet, thereby increasing the contact area when the scraper scrapes different outer walls of the safety helmet, thus improving the printing quality of the screen printing and accelerating the ink accumulation speed, thereby further improving the printing effect.