Vibrating screen is used for classification, impurity removal, screening and filtering of corresponding materials, and is widely used in chemical, food, medicine, metal metallurgy and other industries. Due to the wide range of industries, the materials screened are different, but the working principle of vibrating screen is basically the same.
The working principle of vibrating screen is to use the high frequency vibration of screen body to screen and classify materials. However, its movement track is relatively diversified. Although there are many types of vibrating screen equipment, they all use the vibrating motor as the power source. Different installation and combination forms of the vibrating motor on the machine body produce different movement tracks.
1、 The circular vibrating screen adopts a circular motion track. In the longitudinal section perpendicular to the screen surface, the center motion track of the screen’s vibrating mass is circular or nearly circular. Usually, a vibrating motor can produce this motion.
2、 Rotary vibrating screen is an inertial vibrating screen equipped with two eccentric blocks. By adjusting the included angle between the eccentric blocks, the motion law of the screen machine can be changed and different process requirements can be met. When the vibration motor rotates, under the centrifugal force generated by the eccentric block, the motor, the support, the base, the screen frame and the screen mesh vibrate at a high frequency. Materials can be added from the screen frame. Fine materials passing through the screen mesh are discharged from the material pipe.
Coarse materials failing to pass through the screen mesh are discharged from another material pipe. Due to the effect of the two eccentric blocks, the resultant force of the excitation force generally does not pass through the center of the vibration part, This produces an exciting torque. In this way, the screen machine can perform circular track vibration as well as rotary motion.
The use rate of horizontal vibrating screen in screening equipment is very high, is also one of the mainstream screening equipment, only to understand the characteristics of the product can be better selection, the following for you to explain the main characteristics of horizontal vibrating screen.