Screen printing machine

The invention relates to a screen printing machine. The screen printing machine comprises a machine body; a workbench and a scraping printing device are arranged on the machine body, a positioning device, an adjusting device and a supporting device are installed on the workbench, the positioning device comprises a square positioning frame, and the positioning frame comprises two fixing rods, two sliding rods and a connecting block; the adjusting device can adjust the positions of the fixing rod and the sliding rods and fix the fixing rods and the sliding rods at the required positions, and thesupporting device is embedded in the positioning frame and used for supporting a printed material, so that the height of the top face of the printed material is not lower than the height of the top face of the positioning frame. The screen printing machine has the effects that a glass plate can be positioned more quickly, and the position of a screen-printed pattern is accurate. 本申请涉及一种丝印机，包括机体，机体上设置有工作台和刮印装置，所述的工作台上安装有定