Jaw crusher is used for the first process of crushing various ores and rocks in mining crushing, sand and gravel production line, which can process various ores with compressive strength not higher than 320MPa to medium size at one time. To meet different needs, it often forms a complete sand and gravel production line together with cone crusher, impact crusher, sand making machine, etc. It is widely used in mining, metallurgy, chemical industry, building materials, electric power, water conservancy, transportation and other fields. Liming Heavy Industry Jaw Crusher main models are: PE deep cavity jaw crusher, PEW European jaw crusher, and even developed a mobile jaw crusher.
Working principle, the jaw crusher is mainly composed of frame, eccentric shaft, big belt pulley, flywheel, side guard, elbow plate, elbow plate back seat, gap adjusting screw, reset spring, fixed jaw plate and movable jaw plate, etc. The crushing method of jaw crusher is curved extrusion type, and the operation principle mainly simulates the movement of two jaws of animals. When the jaw rises, the angle between the elbow plate and the moving jaw becomes bigger, thus pushing the moving jaw plate closer to the fixed jaw plate, and the material is crushed by the extrusion, rubbing and grinding between the two jaw plates; when the jaw goes down, the angle between the elbow plate and the moving jaw becomes smaller, and the moving jaw plate leaves the fixed jaw plate under the action of the tie rod and spring, and the crushed material is crushed by gravity. The crushed material is discharged freely through the discharge port in the lower part of the jaw cavity under the action of gravity. With the continuous rotation of the motor, the jaw crushes and discharges the material in a cyclic manner to achieve mass production.
Jaw crusher performance advantages:
a. Deep cavity crushing is energy saving, easy to operate and maintain. Optimized deep cavity crushing, no dead zone, feeding and crushing efficiency greatly improved, good energy-saving effect. Gasket type discharge adjustment device, centralized lubrication system, faster lubrication of parts, less maintenance work. The jaws are symmetrical structure, which can be adjusted up and down after wear and tear, increasing the use cycle and saving the replacement cost.
b. Simple structure, easy maintenance. Under the basic principle of compound pendulum, the redundant parts are streamlined and the overall structure of the equipment is simple, with strong crushing capacity, easy operation and maintenance, and low operating cost.
c.Strong bearing capacity and high stability. Larger forging billet processing heavy eccentric shaft, high manganese steel jaw plate and high cast steel movable jaw assembly, the equipment has stronger load-bearing capacity and higher stability.
d. Low noise, less dust. The equipment refers to the national environmental protection standard, low noise, can be equipped with dust removal equipment, the construction environment is in full compliance with environmental protection requirements.
e. Mature technology, long service life. Drawing on the world manufacturing process, digital analysis of the operation of each component, the internal structure is delicate, and the life of the equipment is greatly extended.
f. Large range of discharge adjustment, multi-purpose machine. The gasket type discharge adjusting device has a large range of discharge adjustment, which increases the flexibility of the equipment and can meet various processing requirements of customers.
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