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Cone crusher:
The crusher is a machine for crushing and grinding various materials. The cone crusher is a kind of crusher equipment. It is suitable for crushing raw materials in metallurgy, construction, road construction, chemical and silicate industries. And various ores and rocks above medium hardness. The cone crusher has large crushing ratio, high efficiency, low energy consumption and uniform product size. It is suitable for medium and fine crushed ores and rocks.
With the continuous development of mining technology, cone crushers are also divided into several types, including spring cone crusher, rolling cone crusher, hydraulic cone crusher and composite cone crusher. PY cone crusher, Simmons cone crusher, composite cone crusher, standard hydraulic cone crusher, single cylinder hydraulic cone crusher and multi-cylinder hydraulic cone crusher and many other models.
 

When the cone crusher is working, the horizontal axis of the crusher is driven by the motor through the V-belt and the pulley. The horizontal shaft drives the eccentric sleeve to rotate through the large and small gears. The cone shaft of the crusher produces the eccentricity under the action of the eccentric sleeve. Therefore, the surface of the broken wall is sometimes close to the surface of the fixed cone, and sometimes away from the surface of the fixed cone, so that the stone is continuously crushed, broken and impacted in the crushing chamber. The crushed material is discharged from the discharge port at the lower part of the crusher under the action of its own weight. The upper cavity of the cone crushing motor cone is supported on the spherical bearing shell at the upper end of the fixed main shaft, and the lower cavity is sleeved outside the eccentric bushing, and the movement thereof is directly driven by the eccentric bushing. When the eccentric bushing rotates around the main shaft, the moving cone not only rotates with the eccentric bushing around the center line of the machine, but also rotates around its own axis, which moves around the center of its spherical support for spatial swiveling motion. The axis of the moving cone intersects the center line of the main axis at a fixed point, that is, the center point of the spherical surface, and the angle between them is the precession angle. When the crusher is running, the axis of the moving cone moves in a conical surface with respect to the center line of the machine, and the cone top is the spherical support center, which remains stationary during the movement of the moving cone. Therefore, the motion of the moving cone can be regarded as the rotation of the rigid body around the fixed point, that is, the movement of the moving cone is composed of two kinds of rotary motions: precessional motion or implicated motion (rotational motion of the moving cone around the centerline of the machine) and rotation motion or relative Movement (the moving cone makes a rotational motion around its own axis).
In the case of no-load operation of the cone crusher, the rotation of the moving cone is determined by the frictional torque of the spherical bearing and the frictional force of the eccentric bushing to the moving cone. If the torque is large, the moving cone is dependent on the torque. The direction is rotated. Under normal conditions, the moving cone rotates in the direction of rotation of the eccentric sleeve, and the rotation speed is determined by the difference between the two moments. The cone crusher adds a bushing on the moving cone between the spherical bearing and the lower cone of the moving cone to control the rotation of the moving cone. Under the condition of load operation, the frictional torque of the stone cone on the cone of the moving cone far exceeds the friction torque generated by the eccentric bushing on the moving cone. At this time, the moving cone takes the busbar as the clockwise axis along the material layer and the direction of the eccentric bushing. The opposite scrolling. This rotation of the moving cone allows the product to have a uniform particle size and uniform wear of the liner.