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The pair of roller crushers use two sets of separately driven roller shafts to crush materials by the squeezing force and grinding shear force generated by the relative rotation. When the material enters the crushing cavity of the crushing machine, the material is subjected to the meshing force of the rotating roller, so that the material is forced to pass between the two rollers, and is squeezed and sheared by the roller at the same time. Along the tangent line of the roller rotation, the small particles are thrown to the bottom of the machine through the gap between the two roller shafts, and the large particles that exceed the gap continue to be broken into small particles and discharged.
The main purpose of the roller crusher
The roller crusher has the advantages of reliable operation, simple maintenance, low operating cost, and adjustable discharge particle size. According to the number of rollers, it can be divided into two-roll crusher and four-roll crusher, which can be widely used in refractory, cement, metallurgy, chemical, electric power, coal and other industries to process brittle and tough materials. The roller crusher is used for medium and fine crushing of various ores and rocks below medium hardness in industrial sectors such as mineral processing, chemical, cement, and building materials.
Working principle of roller crusher
1. This series of roller mills are mainly composed of rollers, roller support bearings, pressing and adjusting devices, and driving devices.
2. Adjustment of discharge granularity: a wedge or gasket adjustment device is installed between the two rollers, and an adjustment bolt is installed at the top of the wedge device. When the adjustment bolt pulls the wedge up, the wedge pushes the movable roller away from the movable roller. The fixed wheel, that is, the gap between the two rollers becomes larger, and the size of the discharge becomes larger. When the wedge is downward, the gap between the two wheels of the movable roller becomes smaller under the action of the compression spring, and the size of the discharge becomes smaller. The gasket device adjusts the size of the discharge particle by increasing or decreasing the number or thickness of the gasket. When the gasket is added, the gap between the two rollers becomes larger, and when the gasket is reduced, the gap between the two rollers becomes smaller, and the discharge particle size becomes smaller. .
3. The driving mechanism is driven by two motors, which are driven by the V-belt to the sheave to drag the roller, and rotate according to the relative direction. When the material is crushed, the material passes through the roller from the feeding port, and is crushed by rolling, and the crushed product is discharged from the bottom of the chassis.
4. For safety, the transmission part should install the safety cover according to the actual situation.
Technical Parameters of Roll Crusher
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