Material screening device capable of efficiently preventing dust and blockage

Abstract

The invention discloses a high-efficiency dust-proof and anti-blocking material screening device, which includes a screening tank, a motor, an air cylinder and a dust collection tank. The screening tank is provided with an upper cover, a feeding pipe, an annular plate, a movable frame, and a screen. , deflector and discharge port; the left side of the screening tank is provided with a motor, and the periphery of the output end of the motor is provided with a rotating rod, a rotating protrusion, a rotating pulley, a first connecting rod and a first rotating shaft; between the rotating pulley and the movable frame A traction rope is provided; a first rotating bearing, a second connecting rod, a second rotating shaft, a second rotating bearing, a third rotating bearing and a third connecting rod are arranged on the periphery of the first rotating shaft; There is an air cylinder; the air cylinder is equipped with a piston plate, a push rod, an air intake pipe, an air outlet pipe and the fourth rotating bearing; the upper end of the air cylinder is provided with a dust collection cylinder, and the dust collection cylinder is equipped with a dust suction pipe, a baffle plate, a support plate and a filter cloth . The invention improves the screening efficiency by lifting the movable frame and the filter screen, and the circulating airflow collects dust and promotes material discharge.

Description

technical field [0001] The invention relates to a material screening device, in particular to a highly efficient dust-proof and anti-blocking material screening device. Background technique [0002] In the process of production and processing, it is often necessary to sieve materials, such as in the screening of tea, in the screening of construction cement or yellow sand, in the screening of particle size of chemical materials, and in the selection of production materials. Both are crucial, and both screening efficiency and stability need to be considered. [0003] In the prior art, there is generally low material passing efficiency in the material screening process, and at the same time, it is easy to block the filter screen during screening; in the screening process, many materials with small particle size and production materials have a lot of floating dust impurities, which are shaking Larger dust will be generated during sieving, which will not only pollute the environ...

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Problems solved by technology

[0003] In the prior art, there is generally low material passing efficiency in the material screening process, and at the same time, it is easy to block the filter screen during screening; in the screening process, many materials with small particle size and production materials have a lot of floating dust impurities, which are shaking Larger dust will be generated during sieving, which will not only pollute the environment but also affect the health of operators, and these dusts may also affect the purity of materials

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