Screening device for grain processing

Abstract

The utility model relates to the technical field of grain processing, and discloses a screening device for grain processing, which comprises a huller used for hulling grains, the bottom of the huller is fixedly connected with a screening shell, the bottom of the screening shell is fixedly connected with a discharging shell, the inner wall of the discharging shell is rotatably connected with a rotating rod, and the rotating rod is fixedly connected with the screening shell. Six turning plates are fixedly connected to the outer wall of the rotating rod, the front end of the rotating rod is connected with the front side of the discharging shell through a vibration assembly, an air box is fixedly connected to the left side of the screening shell, a driving rod is rotationally connected to the inner wall of the air box, and screening fan blades are fixedly connected to the right side of the outer wall of the driving rod. According to the grain screening device, residual rice husks and grains flow into the discharging shell from the screening shell, the rotating rod rotates to drive the transmission worm to rotate, the driving rod rotates to drive the screening fan blades to rotate, the rice husks in the discharging process are blown away, the rice husks are blown out from the right side of the screening shell, and the grains and the rice husks are screened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grain processing, especially relates to a screening device for grain processing. BACKGROUND

[0002] Grain covers a wide range, including rice, wheat, millet, soybean and other coarse grains. Grains include rice, wheat, millet, soybean, etc. Grains are mainly plant seeds and fruits, and are the traditional staple food of many Asian people. Grains not only refer to the seeds of Poaceae plants, but also can be roughly divided into two categories in China: cereals, including rice (indica rice, japonica rice, glutinous rice), wheat (wheat, barley, oat, rye), corn, sorghum, millet, millet, millet, buckwheat, etc. ; beans, including soybeans, beans, peas, green beans, red beans, kidney beans, etc.

[0003] In our daily grain processing process, it is found that after the existing grains are processed by hulling, some hulls are still mixed in the grains. This will have a considerable impact on the quality of the final product. For example, if there are hulls in the hulled rice, the purity of the rice will be reduced, and the cooked rice may have impurities and the taste will be poor. To this end, the present application proposes a screening device for grain processing. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a screening device for grain processing. Residual hulls mixed with grains flow into the discharge shell from the screening shell, the rotating rod drives the transmission worm to rotate, the driving rod rotates to drive the screening fan blade to rotate, the hulls in the discharge process are blown away, the hulls are blown out from the right side of the screening shell, and the grains and hulls are screened.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A screening device for grain processing, comprising a huller for hulling grains, the huller is fixedly connected with a screening shell at the bottom, the screening shell is fixedly connected with a discharge shell at the bottom, the discharge shell is rotatably connected with a rotating rod on the inner wall, the rotating rod is fixedly connected with six flaps on the outer wall, the rotating rod is connected with the front side of the discharge shell through a vibration assembly at the front end, the screening shell is fixedly connected with a wind box on the left side, the wind box is rotatably connected with a driving rod on the inner wall, the driving rod is fixedly connected with a screening fan blade on the outer wall right side, and the driving rod is connected with the rear end of the rotating rod through a transmission assembly at the left end, so as to rotate the driving rod and the rotating rod together.

[0007] Further, the vibration assembly comprises a reciprocating slide bar slidably connected to the front side of the discharging shell, and the top and bottom inner walls of the reciprocating slide bar are fixedly connected with adjusting racks, the front end of the rotating rod is fixedly connected with a half gear, and the two adjusting racks are meshingly connected with the outer wall of the half gear.

[0008] Further, the left and right sides of the rear side of the reciprocating slide bar are fixedly connected with vibration blocks, and the two vibration blocks are abutted with the left and right sides of the discharging shell.

[0009] Further, the transmission assembly comprises a transmission worm gear fixedly connected to the left end of the driving rod, the inner wall of the wind box is rotationally connected with a transmission worm, the outer wall of the transmission worm gear is meshingly connected with the outer wall of the transmission worm, the rear end of the transmission worm is fixedly connected with a transmission belt pulley, and the inner walls of the two transmission belt pulleys are connected through a belt strip.

[0010] Further, the rear end of the left transmission belt pulley is fixedly connected with a crank handle.

[0011] Further, the outer wall of the crank handle is provided with anti-skid stripes.

[0012] Further, the inner wall of the screening shell is provided with a one-way air valve.

[0013] The utility model has the following beneficial effects:

[0014] 1、 in the utility model, the residual chaff and the grain flow into the discharging shell from the screening shell, the rotating rod is driven to rotate by the rotating of the half gear and the transmission belt pulley, the half gear is meshed with the two adjusting racks to drive the reciprocating slide bar to reciprocate, and the vibration block is driven to reciprocate by the reciprocating slide bar.

[0015] 2、 in the utility model, the residual chaff and the grain flow into the discharging shell from the screening shell, the rotating of the push plate drives the rotating rod to rotate, the rotating rod drives the half gear and the transmission belt pulley to rotate, the half gear is meshed with the two adjusting racks to drive the reciprocating slide bar to reciprocate, and the vibration block is driven to reciprocate by the reciprocating slide bar. DRAWINGS

[0016] Figure 1 It is a perspective view of the screening device for grain processing provided by the utility model;

[0017] Figure 2 It is a one-way air valve schematic view of the screening device for grain processing provided by the utility model;

[0018] Figure 3 It is a worm gear schematic view of the screening device for grain processing provided by the utility model;

[0019] Figure 4 This is a schematic diagram of the flap of a grain processing screening device proposed in this utility model;

[0020] Figure 5 This is a schematic diagram of the adjusting rack of a grain processing screening device proposed in this utility model.

[0021] Legend:

[0022] 1. Dehulling machine; 2. Screening shell; 3. Discharge shell; 4. Air box; 5. Drive rod; 6. Screening fan blade; 7. Drive pulley; 8. Handle; 9. One-way air valve; 10. Vibrating block; 11. Drive worm gear; 12. Rotating rod; 13. Flip plate; 14. Half gear; 15. Adjusting rack; 16. Drive worm gear; 17. Reciprocating slide bar. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Reference Figure 1 , Figure 4 and Figure 5 This utility model provides an embodiment of a grain processing screening device, including a dehulling machine 1 for dehulling grains. A screening shell 2 is fixedly connected to the bottom of the dehulling machine 1, and a discharge shell 3 is fixedly connected to the bottom of the screening shell 2. A rotating rod 12 is rotatably connected to the inner wall of the discharge shell 3, and six flaps 13 are fixedly connected to the outer wall of the rotating rod 12. After the dehulling machine 1 dehulls the grains, the remaining husks mixed with the grains flow from the screening shell 2 into the discharge shell 3, pushing the flaps 13 to rotate. The rotation of the flaps 13 drives the rotating rod 12 to rotate. A reciprocating slide bar 17 is slidably connected to the front side of the discharge shell 3, and the top of the inner wall of the reciprocating slide bar 17... Adjusting racks 15 are fixedly connected to the bottom. Half gears 14 are fixedly connected to the front end of the rotating rod 12. The two adjusting racks 15 are meshed with the outer wall of the half gears 14 on the side closest to each other. The rotation of the rotating rod 12 drives the half gears 14 and the transmission belt pulley 7 to rotate. The rotation of the half gears 14 meshes with the two adjusting racks 15, which drives the reciprocating slide bar 17 to start reciprocating. Vibrating blocks 10 are fixedly connected to the left and right sides of the rear side of the reciprocating slide bar 17. The two vibrating blocks 10 are abutted against the left and right sides of the discharge shell 3 on the side closest to each other. The reciprocating slide bar 17 slides, which drives the vibrating blocks 10 to knock on the outer wall of the discharge shell 3 to prevent the grain from blocking the discharge shell 3.

[0025] Reference Figures 2-4The left side of the screening shell 2 is fixedly connected with a wind box 4, the inner wall of the wind box 4 is rotatably connected with a driving rod 5, the outer wall of the right side of the driving rod 5 is fixedly connected with a screening fan blade 6, the screening fan blade 6 rotates, the chaff in the discharging process is blown away, the chaff is blown out from the right side of the screening shell 2, and the grains and the chaff are screened.

[0026] Working principle: after the huller 1 is used for dehulling the grains, the residual chaff mixed with the grains flows into the discharging shell 3 from the screening shell 2, the flap 13 is rotated, the rotating flap 13 drives the rotating rotating rod 12, the rotating rotating rod 12 drives the rotating half gear 14 and the rotating transmission belt pulley 7, the rotating half gear 14 is engaged with the two adjusting racks 15 to drive the reciprocating slide 17 to start reciprocating sliding, the reciprocating slide 17 drives the reciprocating sliding vibration block 10; the outer wall of the discharging shell 3 is knocked to prevent the grains from blocking the discharging shell 3, the transmission belt pulley 7 is rotated through the belt strip to drive the other transmission belt pulley 7 to rotate, the transmission belt pulley 7 drives the transmission worm 16 to rotate and is engaged with the transmission worm wheel 11 to make the transmission worm wheel 11 rotate, the transmission worm wheel 11 drives the driving rod 5 to rotate and drives the screening fan blade 6 to rotate, and the chaff in the discharging process is blown away.

[0027] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the present application.

Claims

1. A screening device for grain processing, characterized in that, The utility model provides a threshing machine (1) for the threshing of grain, the bottom of which is fixedly connected with a screening shell (2), the bottom of which is fixedly connected with a discharge shell (3), the inner wall of which is rotatably connected with a rotating rod (12), the outer wall of which is fixedly connected with six flaps (13), the front end of which is connected with the front side of the discharge shell (3) through a vibration assembly, the left side of the screening shell (2) is fixedly connected with a bellows (4), the inner wall of which is rotatably connected with a drive rod (5), the outer wall of which is fixedly connected with a screening fan blade (6) on the right side, and the left end of the drive rod (5) is connected with the rear end of the rotating rod (12) through a transmission assembly, so as to rotate the drive rod (5) and the rotating rod (12) together.

2. A screening device for grain processing according to claim 1, characterized in that: The vibration assembly comprises a reciprocating slide bar (17) slidably connected to the front side of the discharge shell (3), the inner wall of which is fixedly connected with an adjusting rack (15) at the top and the bottom, the front end of the rotating rod (12) is fixedly connected with a half gear (14), and the outer wall of the half gear (14) is meshingly connected with the two adjusting racks (15) on the same side.

3. A screening device for grain processing according to claim 2, characterized in that: The rear side of the reciprocating slide bar (17) is fixedly connected with a vibration block (10) on the left and the right, and the two vibration blocks (10) on the same side abut against the left and right sides of the discharge shell (3).

4. A screening device for grain processing according to claim 1, characterized in that: The transmission assembly comprises a transmission worm gear (11) fixedly connected to the left end of the drive rod (5), a transmission worm (16) rotatably connected to the inner wall of the bellows (4), a transmission belt pulley (7) fixedly connected to the rear end of the transmission worm (16) and the rear end of the rotating rod (12), and the outer wall of the transmission worm gear (11) is meshingly connected with the outer wall of the transmission worm (16).

5. A screening apparatus for grain processing according to claim 4, characterized in that: The rear end of the transmission belt pulley (7) on the left side is fixedly connected with a crank handle (8).

6. A screening apparatus for grain processing according to claim 5, characterized in that: The outer wall of the crank handle (8) is provided with anti-skid stripes.

7. A screening device for grain processing according to claim 1, characterized in that: The inner wall of the screening shell (2) is provided with a one-way air valve (9). The inner wall of the screening shell (2) is provided with a one-way air valve (9).

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