Vibrating screen

Abstract

The invention discloses a vibrating screen, and relates to the field of mining engineering. According to the technical scheme, the vibrating screen comprises a base and a screening device, wherein thescreening device is arranged on the base; the screening device is obliquely arranged downwards in the length direction of the base, the screening device comprises two mounting cylinders which are correspondingly and fixedly connected to the base and a screen cylinder which is rotationally connected between the two mounting cylinders, a feeding opening is formed in the mounting cylinder located atthe upper part, and a discharging opening is formed in the mounting cylinder at the lower part; a knocking part is further arranged on the base, and the knocking part is slidably connected to the base; and a driving device is further arranged on the base, and the driving device comprises an intermittent transmission assembly used for driving a screen cylinder to intermittently rotate, a knockingtransmission assembly used for driving the knocking part to move for knocking and a driving motor arranged on the base. When the driving device drives the screen cylinder to intermittently rotate, thescreen cylinder can be knocked by the driving device at a rotation gap of the screen cylinder, so that screening of materials through the screen cylinder is more thorough, and therefore the screeningeffect of the materials is better.

Description

technical field [0001] The invention relates to the field of mining engineering, more specifically, it relates to a vibrating screen. Background technique [0002] Vibrating screens are commonly used in mining, mineral processing industries to separate equipment for separation according to size. A vibrating screen typically has a frame with a screen. The frame is generally rigid, with multiple bracing elements for structural integrity. The frame is mounted on springs or the like and has a vibrator which causes the frame and accordingly the screen to vibrate. The screen has apertures that allow smaller sized materials to pass through. In use, the frame vibrates and material passes over the screen and separates from the larger material as the smaller material passes through the apertures in the screen. [0003] However, in the screening process of the traditional vibrating screen, when the materials pass through the upper part of the screen, the materials are prone to stac...

AI Technical Summary

Problems solved by technology

[0003] However, in the screening process of the traditional vibrating screen, when the material passes through the screen, the material is easy to be stacked up and down. The material on the lower layer directly contacts the screen, and the screening is relatively smooth, but the material on the upper layer is easily affected by the lower layer. The blocking of materials, resulting in incomplete screening of the upper layer of materials, resulting in poor screening effect, which needs to be improved

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