螺旋筛分机由三段结构相同的筛子组成,筛子呈阶梯状,且彼此可以互换。其结构形式是:筛子由一排带左旋的双头螺纹和右旋的双头螺纹的螺旋轴组成。螺旋轴安装在前支座和后支座中,支座固定在框架上,在螺旋轴两边的框架上有固定的档板,筛框上装有电机和三 Spiral screening machine consists of three sections of the same structure of the sieve, the sieve was stepped, and are interchangeable with each other. Its structure is: sieve by a row with a left-handed double-headed thread and right-handed double-headed screw shaft composition. The screw shaft is installed in the front support and the rear support, the support is fixed on the frame, fixed baffles are arranged on the frames on both sides of the screw shaft, the screen frame is provided with a motor and three