The utility model relates to the field of aluminized film production devices, and discloses a winding device convenient to install, which comprises a main body mechanism, the main body mechanism comprises a supporting base and a winding roller, fixed baffles are fixedly arranged on two sides of the upper end of the supporting base, four fixing mechanisms are arranged in the main body mechanism close to the upper end, and the winding roller is arranged on the supporting base. The four fixing mechanisms each comprise an upper sliding block and a lower sliding block, clamping blocks are fixedly arranged at the lower ends of the four upper sliding blocks, sliding grooves are formed in the upper ends of the four lower sliding blocks, a sliding mechanism is arranged at the position, close to the rear end, in the main body mechanism, and the sliding mechanism comprises two vertical rods, a control motor and two rotating handles. And arc-shaped supporting blocks are fixedly arranged at the upper ends of the two vertical rods. According to the winding device, the main body mechanism, the fixing mechanism and the sliding mechanism are arranged in the winding device, the fixing mechanism can guarantee rapid installation of the winding roller, and the sliding mechanism can complete easy disassembly of the winding roller.