Automatic membrane device of rolling up of thermoprinting machine

The utility model provides an automatic membrane device of rolling up of thermoprinting machine, including controller, frame and film feeding mechanism, still include membrane rolling mechanism and sweep membrane mechanism, film feeding mechanism includes tension rail, fixed disc, installs film feeding shaft on fixed disc and the reverse tension motor of being connected with film feeding shaft power, the end of tension rail is installed in the frame. The utility model discloses easily design, practice thrift and consume, be convenient for maintain, easily adjustment simultaneously, easy operation, safe and reliable. It is convenient to go up the membrane, only need open the hinge, embolias a membrane to fix with fixed disc behind the film feeding shaft and to guarantee to send the membrane. Need to pull down film feeding shaft comparatively loaded down with trivial details for the membrane device traditionally. It can take turns and rubber roll wheel interval by the control column membrane to rotate eccentric