CN204912087U - Portable combination clearance sieve - Google Patents

Abstract

The utility model belongs to the technical field of the agricultural machine grain processing equipment technique and specifically relates to portable combination clearance sieve. Clearance sieve including removing the frame, install lifting machine, shale shaker on removing the frame, induced draft perpendicularly, cyclone, fan. The utility model discloses using and choosing at the elementary branch of grain, not only can detach big mixing, can also detach the gently miscellaneous and dust in the grain, promoted the clearance effect of elementary clearance, this clearance screen structure is compact in addition, moves and transports the convenience, and environmental pollution is little.

Description

Mobile combined cleaning screen

technical field

The utility model relates to the technical field of agricultural machinery and grain processing equipment, in particular to a mobile combined cleaning screen.

Background technique

After the grain is received by harvesters and other equipment, it contains some impurities, so the cleaning of the grain in the later stage is very important. Cereal grains such as barley, wheat, rice, millet, beans, and corn often contain some broken shells, slag, straw, dust, and residual grains after husking or threshing. In order to separate them from the grain , a primary sorting is required. In the primary sorting process, a lot of light impurities and dust will flow out from the outlet of the vibrating screen along with the grain after being screened by the vibrating screen. In the prior art, the primary vibrating screen is followed by multi-stage cleaning equipment for impurity removal. Large impurities, then remove small impurities (commonly used specific gravity cleaning equipment), and finally remove dust for grain processing. It has been proved by application practice that the existing primary sorting process is relatively simple, and the effect of removing light impurities and dust in small impurities is very good. Low.

Utility model content

The technical problem to be solved by the utility model is to provide a mobile combined cleaning sieve. The cleaning sieve is applied to the primary sorting of grain, which can not only remove large impurities, but also remove light impurities and dust in the grain, and improve the primary cleaning efficiency. The cleaning effect is excellent, and the cleaning sieve has a compact structure, is convenient to move and transport, and has little environmental pollution.

In order to solve the problems of the technologies described above, the technical solution of the utility model is achieved in that:

Mobile combined cleaning sieve, the cleaning sieve includes a mobile frame on which a hoist, a vibrating screen, a vertical suction duct, a cyclone dust collector, and a fan are installed; the vibrating screen is inclined along the length direction of the mobile frame Set on the mobile frame, there is a hoist at the entrance of the vibrating screen, the grain enters from the entrance of the hoist, and enters the entrance of the vibrating screen after being lifted by the hoist; the exit of the vibrating screen is equipped with a material outlet and an impurity outlet. The material outlet is connected to the inlet of the vertical suction duct. The bottom end of the vertical suction duct is provided with a closed air pressure door. The air outlet on the upper part of the vertical suction duct is connected to the air inlet on the right side of the cyclone dust collector. The air inlet of the fan is connected, and the lower part of the cyclone dust collector is provided with a dust collecting hopper.

Further, the mobile frame includes traveling wheels and a supporting part, and the traveling wheels are arranged at the lower part of the supporting part to drive the supporting part and the hoist, vibrating screen, vertical suction duct, cyclone dust collector and fan on the supporting part to move;

Further, the vertical air suction channel is used to remove light impurities and dust in the grain, and the bottom end of the vertical air suction channel is provided with a closed air pressure door, and the air volume in the vertical air suction channel is realized by controlling the opening degree of the closed air pressure door. Size adjustment, the adjustment of the air volume in the vertical suction duct is related to the weight of light impurities and dust to be removed;

Further, the cyclone dust collector uses the action of the fan to make the dust-laden air flow enter the cyclone dust collector from the air inlet on the right side of the cyclone dust collector, and the dust-laden air flow rotates in the bin, and the heavy impurities are removed by centrifugal force. It is separated from the air flow and collected on the wall of the container. With the help of gravity, the heavy impurities fall into the ash hopper from the settling port and are collected.

The utility model has the beneficial effects compared with the prior art:

The utility model is applied to the primary sorting of grain, which can not only remove large impurities, but also remove light impurities and dust in the grain, and improve the cleaning effect of the primary cleaning. Moreover, the cleaning screen has a compact structure, is convenient to move and transport, and prevents environmental pollution. Small. Specifically:

1) The utility model uses a closed and vertically rotating dump belt hoist to lift materials. It has a simple structure and low cost. During the working process, it can prevent materials or seed materials from falling between the lower side of the traction belt and the lower pulley, avoiding It prevents the materials or seeds from being crushed, thereby greatly reducing the crushing rate during the lifting process, improving the processing quality of materials and seeds, and reducing the production cost of seed processing.

2) The utility model uses a vibrating screen to remove large impurities, and uses a vertical suction channel and a cyclone dust collector to remove light impurities and dust in the material, which greatly improves the effect of primary cleaning, and can be used in conjunction with a selection and classification device to further remove small impurities. Dust or particles with the same specific gravity in impurities can optimize the effect of removing impurities.

3) The device of the utility model has the advantages of compact structure, convenient operation, little environmental pollution, and improved personal safety of workers.

Description of drawings

Fig. 1 is a front structural schematic view of the utility model.

Fig. 2 is a left view structural diagram of the utility model.

In the figure: 1-mobile frame; 2-vibrating screen; 3-hoist; 4-fan; 5-cyclone dust collector; 6-vertical suction duct; 7-closed air pressure door.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figures 1 and 2, the mobile combined cleaning screen includes a mobile frame 1 on which a hoist 3, a vibrating screen 2, a vertical air suction channel 6, and a cyclone dust collector are installed. Device 5, fan 4; Vibrating screen 2 is obliquely arranged on the mobile frame 1 along the length direction of the mobile frame 1, and a hoist 3 is arranged at the entrance of the vibrating screen 2, and the grain enters through the entrance of the hoist 3, and is lifted The lifting machine 3 enters the entrance of the vibrating screen 2; the exit of the vibrating screen 2 is provided with a grain outlet and an impurity outlet, and the material outlet is connected to the entrance of the vertical air suction channel 6, and the bottom of the vertical air suction channel 6 is provided with a closed air pressure The door 7, the air outlet on the upper part of the vertical suction duct 6 communicate with the air inlet on the right side of the cyclone dust collector 5, the upper part of the cyclone dust collector 5 communicates with the air inlet of the fan 4, and the air outlet of the fan 4 discharges the clean air, and the cyclone dust remover The bottom of device 5 is provided with collecting ash hopper.

On the basis of the above technical solutions, the following more detailed and specific technical solutions are further proposed. The mobile frame 1 includes traveling wheels and supporting parts, and the traveling wheels are arranged at the lower part of the supporting parts to drive the supporting parts and their upper parts. The hoist 3, the vibrating screen 2, the vertical suction duct 6, the cyclone dust collector 5, and the fan 4 move;

The vertical air suction duct 6 is used to remove light impurities and dust in the grain, the bottom of the vertical air suction duct 6 is provided with a closed air pressure door 7, and the vertical air suction duct is realized by controlling the opening degree of the closed air pressure door 7. The adjustment of the air volume in 6, the air volume adjustment in the vertical suction duct 6 is related to the weight of light impurities and dust to be removed;

Described cyclone dust collector 5 is by the effect of blower fan 4, makes dust-laden airflow enter in the bin of cyclone dust collector 5 by the air inlet on the right side of cyclone dust collector 5, and dust-laden airflow makes rotating motion in the bin, by means of centrifugal force The heavy impurities are separated from the air flow and collected on the wall of the device. With the help of gravity, the heavy impurities fall into the ash hopper from the settling port and are collected. The machine is fully enclosed and there is no dust overflow phenomenon, ensuring that the working environment of the staff is dust-free .

In summary, the above are only preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (4)

1. A mobile combined cleaning screen, characterized in that: the cleaning screen includes a mobile frame (1), on which a hoist (3), a vibrating screen (2), a vertical Air suction duct (6), cyclone dust collector (5), blower fan (4); the vibrating screen (2) is arranged on the mobile frame (1) obliquely along the length direction of the mobile frame (1), and the vibrating screen (2) ) is provided with a hoist (3) at the entrance, the grain enters through the entrance of the hoist (3), and enters the entrance of the vibrating screen (2) after being lifted by the hoist (3); the exit of the vibrating screen (2) is provided with The material outlet and the impurity outlet, the material outlet is connected to the inlet of the vertical suction duct (6), the bottom of the vertical suction duct (6) is provided with a closed air pressure door (7), and the outlet on the upper part of the vertical suction duct (6) The tuyere is connected with the air inlet on the right side of the cyclone dust collector (5), the upper part of the cyclone dust collector (5) is connected with the air inlet of the fan (4), and the lower part of the cyclone dust collector (5) is provided with a dust collection hopper. 2. The mobile combined cleaning screen according to claim 1, characterized in that: the mobile frame (1) includes traveling wheels and supporting parts, and the traveling wheels are arranged at the lower part of the supporting parts. 3. The mobile combined cleaning sieve according to claim 1, characterized in that: the vertical air suction channel (6) is used to remove light impurities and dust in the grain, and the bottom end of the vertical air suction channel (6) A closed air pressure door (7) is provided, and the adjustment of the air volume in the vertical air suction duct (6) can be realized by controlling the opening degree of the closed air pressure door (7). It is related to the weight of light miscellaneous and dust. 4. The mobile combined cleaning sieve according to claim 1, characterized in that: the cyclone dust collector (5) relies on the action of the fan (4), so that the dust-laden air flow is blown by the right side of the cyclone dust collector (5). The air inlet enters the chamber of the cyclone dust collector (5), and the dust-laden airflow rotates in the chamber, and heavy impurities are separated from the airflow by means of centrifugal force and collected on the wall of the cyclone dust collector (5). Under the action of gravity, the impurities fall into the ash hopper from the settling port to collect them, and the machine is completely closed without dust overflowing.