Bamboo cylinder top surface multi-color silk screen printer

The utility model discloses a bamboo cylinder top surface multi-color silk screen printer which comprises multiple silk screen frames. Each silk screen frame is hinged to the same rotation shaft through a clamping arm. The rotation shaft is installed on an exposure lamp box through a bearing. A printing support is arranged on an exposure window of a top plate of the exposure lamp box in an erected mode. A lifting bearing plate is installed in the support and connected with a lifting driving dragging plate through a guide pin and a guide groove. Two clamping plates which are installed in the guide groove of the support and have oppositely arranged clamping openings are arranged above the bearing plate. Clamping driving dragging plates which are arranged on one sides of the two clamping plates and drive the two clamping plates are installed in the support. V-shaped driving bars are arranged on the clamping driving dragging plates. An opening for a printing bamboo cylinder to be placed on the lifting bearing pla