The vibrating screen is mainly divided into a linear vibrating screen, a circular vibrating screen, and a high frequency vibrating screen. The vibrating screen can be divided into a single-axis vibrating screen and a two-axis vibrating screen according to the type of the vibrator. The single-axis vibrating screen uses a single unbalanced heavy excitation to vibrate the screen box, and the screen surface is inclined. The moving track of the screen box is generally circular or elliptical. The two-axis vibrating screen is a double unbalanced heavy excitation that utilizes synchronous counter-rotating, the screen surface is horizontally or gently inclined, and the movement path of the screen box is a straight line. The vibrating screen has an inertial vibrating screen, an eccentric vibrating screen, a self-centering vibrating screen, and an electromagnetic vibrating screen.
Linear vibrating screen
The vibrating screen uses vibration motor excitation as the vibration source, so that the material is thrown up on the screen and moves forward in a straight line. The material enters the feeding port of the screening machine evenly from the feeder, and several specifications are produced through the multi-layer screen. The sieves and the sieves are discharged from the respective outlets. It has low energy consumption, high output, simple structure, easy maintenance, fully enclosed structure, no dust overflow, automatic discharge, and is more suitable for assembly line operation. During operation, the two motors are placed in opposite directions to cause the exciter to generate a reverse exciting force, forcing the screen body to move the screen longitudinally, and the material on the surface is excited to periodically throw a range, thereby completing Material screening operations. Linear vibrating screen (straight screen) has the advantages of stable and reliable, low consumption, low noise, long life, stable vibration shape and high screening efficiency. It is a new and efficient screening equipment widely used in mining, coal, smelting and building materials. , refractory materials, light industry, chemical industry and other industries.
Circular vibrating screen
The circular vibrating screen (round vibrating screen) is a circular motion, which is a multi-layer, high-efficiency new vibrating screen. The circular vibrating screen adopts the cylindrical eccentric shaft exciter and the partial block to adjust the amplitude, the material sieve line length and the screening specifications are many, the structure is reliable, the excitation force is strong, the screening efficiency is high, the vibration noise is small, the sturdy and durable, the maintenance Convenient, safe to use, circular vibrating screen is widely used in the classification of products in mining, building materials, transportation, energy, chemical and other industries. The circular vibrating screen mainly comprises a sieve box, a screen mesh, a vibrator, a vibration-damping spring device and a chassis. The vibrator is on the side plate of the screen box, and the motor is rotated by the coupling or the belt to generate centrifugal inertial force, forcing the screen box to vibrate. The screen is the main consumable part. According to the material product and user requirements, high-manganese steel woven mesh, punching sieve plate and rubber sieve plate can be used. The sieve plate can be single or double layer, and all kinds of sieve plates can meet the different requirements of screening effect. This series of circular vibrating screens is mounted in a seat. The adjustment of the screen inclination can be achieved by changing the height of the spring support.
High frequency vibrating screen
The high-frequency vibrating screen is referred to as a high-frequency screen, and the high-frequency vibrating screen (high-frequency screen) is composed of a vibration exciter, a slurry distributor, a screen frame, a frame, a suspension spring, and a screen.
The high frequency vibrating screen (high frequency screen) has high efficiency, small amplitude and high screening frequency. The principle of high-frequency vibrating screen is different from that of ordinary screening equipment. Due to the high frequency of high-frequency vibrating screen (high-frequency screen), on the one hand, the tension on the surface of the slurry and the high-speed oscillation of the fine-grained material on the screen surface are destroyed, which accelerates. The large density of useful minerals and separation increases the probability of contact with the mesh of the separated particles.
Stone drum screen
The drum screen is made up of five parts: hexagonal drum, frame, funnel, reducer and motor. After the broken stone enters the drum, it is screened as the drum rotates, and the material is screened by the centrifugal force of the drum rotation and the jigging action. On the one hand, the coarse-grained stone flows forward along the slope of the drum, and is gradually screened out through the screen of different meshes. The small stones are sieved out and dropped into their respective funnels, which are then manually transported or self-flowed to the finished pile. The utility model has the advantages of simple and reliable structure, stable operation, good sealing, no pollution, low noise, quick network change, fine classification, large sorting ratio, high output, accurate sorting, low failure rate and convenient maintenance, and is particularly suitable for sand. Grading use of stone yards. The drum screen is fine workmanship, sturdy and durable, the steel frame is welded by profile steel, the funnel volume is large, and the steel plate is connected. There are five funnels for separate discharge. The funnel mouth is flanged and can be fed to both sides or one side, which is convenient for pulling or self-flowing, which improves the output, prevents the material from being worn and the screen is worn out, and delays production.
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