The working principle and characteristics of linear vibrating screen
2020-03-05 Xinhai (761)
2020-03-05 Xinhai (761)
With the promotion of beneficiation technology, vibrating screening machine is widely used in industry, especially Linear vibrating screen, as a new type of high-efficiency screening equipment, is often used in screening operations in mining, metallurgy and other industries. The vibrating motor is used as the vibration source of the linear vibrating screen, so that the material on the screen will move forward linearly while being thrown up. When the material enters the inlet of the vibrating screen from the feeder, it passes through different layers of the vibrating screen. After the screen is separated, various specifications of oversize and undersize are separated, and then discharged from their respective outlets.
During the working process of the vibrating screen, the cyclically changing excitation force acts on its parts for a long time, making the main beam of the vibrating screen motor and the side beam of the screen box extremely easy to break, and its screening effect and production efficiency are both Cause a serious impact. The linear vibrating screen is rotated by two motors in reverse and synchronously to make the exciter generate a reverse excitation force, so that the screen body drives the screen to move in the longitudinal direction, so that the material on the vibrating screen is subjected to the excitation force. After that, a periodic forward throwing range is generated to achieve the effect of material screening. When the two vibrating motors of the linear vibrating screen rotate in opposite directions at the same time, the exciting force generated by the eccentric mass cancels each other out in the direction parallel to the motor axis, and stacks in the direction perpendicular to the motor axis to form a resultant force. Because of this, The trajectory of the screen is a straight line. The two motor shafts have an inclination angle relative to the screen surface. Under the combined force of the excitation force and the material's self-gravity, the materials are thrown up and jump forward on the screen surface for linear motion, so as to achieve the purpose of screening and grading the materials.
The characteristics of the linear vibrating screen are:
At present, traditional equipment no longer meets the requirements of the industrial sector because of its large size and insufficient environmental protection, and is gradually being eliminated. New linear vibrating screens are being developed to be light and environmentally friendly to meet the requirements of the industrial sector.
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