Self-cleaning type briquette coal ball press machine

The utility model discloses a self-cleaning type briquette coal ball press machine which comprises a cleaning assembly, and the cleaning assembly comprises two ball press rollers, a driving gear, a driven gear, two cleaning rollers, a fixed sleeve, a cleaning ball, four limiting blocks, a sliding shaft, a spring, four limiting grooves, a nozzle, two mounting seats and a conveying pipe. The ball pressing roller drives the driving gear to rotate, the driving gear drives the cleaning roller to rotate through the driven gear, the cleaning roller drives the cleaning ball through the fixed sleeve and the sliding shaft, the cleaning ball enters the spherical groove of the ball pressing roller, and the cleaning ball is tightly attached to the interior of the spherical groove under pushing of the spring. Along with common rotation of the cleaning roller and the ball pressing roller, the grooves in the surface of the cleaning ball can enable raw materials adhered to the interior of the spherical groove to loosen and fa