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Structure and Working Principle of Fine Jaw Crusher

Posted Dec 06 2012 12:49am

Fine jaw crusher is a kind of jaw crusher with new structure, which is also the improvement based on the simple pendulum-type jaw crusher. The eccentric shaft structure with several moving jaws and eccentric column is used in the new generation of the jaw crusher. This kind of jaw crusher is uitable for the medium and the small mines, building materials, road construction, silicate and chemical industry and other departments for crushing the materials. The fine jaw crusher can be used for crushing the ore and rock whose feeding particle size is not more than 120mm and compression strength is less than 250Mpa.
The fine jaw crusher mainly consists of frame, moving jaw, eccentric shaft, fixed jaw plate, liner and other component parts. Its working principles are the followings. The motor drives the rotation of the eccentric shaft through the belt so that the moving jaw can move according to the trajectory adjusted to crush the materials in the crushing cavity. The materials after being crushed are discharged from the discharging port with the self gravity of the materials. The rack is the welding weld junction piece. Two side guard plates are used to help the fixed jaw plate to be fixed on the front wall of the rack which can prevent the rack from being worn. The liner of the moving jaw is installed on the moving jaw, which can prevent the moving jaw from being worn. When one end of the moving jaw is worn, you can turn the head of the moving jaw for second use.
There are two sets of the moving jaw and liners of the moving jaw for the fine jaw crusher. They are arranged in a line. The moving jaw hangs on the eccentric shaft. The eccentric part of the eccentric shaft can be divided into two parts. The eccentric distance is the same, while the eccentric direction is opposite. Each movable jaw moves toward the fixed jaw with the action of the eccentric shaft. The adjustment seat can move forward or backward on the two sides of the rack. There are two groups of the adjustment pads between the adjustment and the back wall of the rack.

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