Automatic glass tube bead cutting machine

The utility model discloses an automatic glass tube bead cutting machine which comprises a cutting machine head, a pneumatic tube pressing device, an optical control tube picking device and a pneumatic tube feeding device. The pneumatic tube pressing device comprises a combined lever and guide wheel moving air cylinders. The guide wheel moving air cylinders are two in number and are arranged on the front side of the cutting machine head. The combined lever is connected with the two guide wheel moving air cylinders and guide wheel bearing bases on the two sides of the machine head. The pneumatic tube feeding device comprises a pneumatic finger, a sliding block, a sliding rail and a tube conveying groove. The tube conveying groove and the sliding rail are fixed to the right side of the cutting machine head, and the sliding rail is located below the tube feeding groove. The sliding block is arranged on the sliding rail, and the pneumatic finger is fixed to the sliding block. The optical control tube picking device comprises a loading tray, a tube picking rolling shaft and an optical control device. The tube picking rolling shaft is arranged at the intersecting position of the loading tray and the tube conveying groove. According to the automatic glass tube bead cutting machine, the guide wheel moving air cylinders replace cams to control the cutting machine head to move, smooth tube conveying is guaranteed through the optical control device and the tube picking rolling shaft, and the cutting work can be conducted continuously.