Impurity removing machine for hulled grain particles and using method

Abstract

The invention is suitable for the technical field of screening, and provides an impurity removing machine for hulled grain particles and a using method, the impurity removing machine for the hulled grain particles comprises a machine box, and a feeding port and a discharging port are formed in the machine box; the removing mechanism is used for filtering impurities adhered to the surfaces of the grain particles and comprises a drainage block, a flow dividing block, a separation assembly and an adsorption assembly; and the screening assembly is used for carrying out secondary treatment on grain particles treated by the removing mechanism, the screening assembly is arranged in the machine box, and the screening assembly is located below the removing mechanism. The problems that the screening effect is poor and the production quality of the grain particles is seriously affected due to the fact that impurities such as crushed husks wrapping the grain particles are difficult to effectively remove are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of screening, and specifically to an impurity removal machine and a usage method for dehulled cereal grains. Background Art

[0002] During the cereal processing, dehulled cereal grains (such as rice, wheat, corn, etc.) usually mix with various impurities, including broken husks, dust, sand, straw, and metal fragments. These impurities not only affect the appearance and quality of the cereals, but may also cause wear to subsequent processing equipment and even endanger the health of consumers. Therefore, before the cereals enter packaging or further processing, it is necessary to effectively remove their impurities.

[0003] When the existing impurity removal machines are in use, it is difficult to effectively remove impurities such as broken husks wrapped on the cereal grains, resulting in poor screening effects and seriously affecting the production quality of the cereal grains. Therefore, in view of the above situation, there is an urgent need to provide an impurity removal machine and a usage method for dehulled cereal grains to overcome the deficiencies in current practical applications. Summary of the Invention

[0004] The purpose of the present invention is to provide an impurity removal machine and a usage method for dehulled cereal grains, aiming to solve the problems in the above background art.

[0005] The present invention is realized as follows. An impurity removal machine for dehulled cereal grains includes: A machine case, on which a feed inlet and a discharge outlet are respectively arranged; A cleaning mechanism for filtering impurities adhered to the surface of the cereal grains. The cleaning mechanism includes a diversion block, a shunt block, a separation component, and an adsorption component. Two diversion blocks are symmetrically arranged in the machine case, and an arc-shaped cavity is formed between the two diversion blocks. The separation component is arranged in the arc-shaped cavity between the two diversion blocks, and the top and bottom of the two diversion blocks are both inclined structures. One set of adsorption components is arranged at the bottom of each of the two diversion blocks. The shunt block is fixedly installed in the machine case, and air injection holes for blowing air towards the adsorption component side are formed on the shunt block. Wherein a cavity communicating with the air injection holes is provided in the shunt block, and a second conduit communicating with the cavity in the shunt block is arranged on the machine case. During use, the second conduit is connected to an external blower; And a screening component for secondary treatment of the cereal grains processed by the cleaning mechanism. The screening component is arranged in the machine case and is located below the cleaning mechanism.

[0006] As a further scheme of the present invention: The shunt block is of a triangular structure, and a gap for the cereal grains to pass through is provided between the shunt block and the diversion block.

[0007] As a further solution of the present invention: The detachment component includes: A first support shaft rotatably installed in the chassis, and a first motor for driving the first support shaft to rotate is arranged in the side wall of the chassis; A baffle plate, two baffle plates are symmetrically arranged on the first support shaft, and the baffle plate is rotatably matched with the drainage block; And elastic sheets, multiple groups of elastic sheets are fixedly installed on the first support shaft.

[0008] As a further solution of the present invention: The detachment component further includes a stop bar for deforming the elastic sheet, the stop bar is fixedly installed on the drainage block, and there are two stop bars, one stop bar is fixed on one side of one drainage block close to the feed port, and the other stop bar is fixed on one side of the other drainage block close to the shunt block.

[0009] As a further solution of the present invention: The adsorption component includes: Support rollers, the support rollers are rotatably installed in the drainage block, and multiple groups of support rollers are symmetrically arranged in the drainage block. A second motor for driving one group of support rollers to rotate is arranged in the side wall of the drainage block; An adsorption belt arranged on the support roller, the adsorption belt has a gas guide cavity inside, and multiple support air bags are arranged in the gas guide cavity for support; Adsorption holes opened on the outer surface of the adsorption belt, and the adsorption holes are communicated with the gas guide cavity inside the adsorption belt; And a first conduit arranged on the chassis, and two sets of telescopic tubes communicated with the gas guide cavity inside the adsorption belt are arranged on the first conduit.

[0010] As a further solution of the present invention: A cleaning component for treating impurities adsorbed on the adsorption belt is further arranged in the drainage block.

[0011] As a further solution of the present invention: The cleaning component includes: A pressing plate, and a second telescopic member for driving the pressing plate to move is arranged in the drainage block; Elastic telescopic rods, multiple groups of elastic telescopic rods are fixedly installed on the drainage block, and a pressing frame is arranged on the telescopic end of the elastic telescopic rod; And a first inclined surface opened on the pressing frame, a driving rod is further fixedly installed on the pressing plate, and a second inclined surface for cooperating with the first inclined surface is arranged at the end of the driving rod.

[0012] As a further solution of the present invention: The cleaning component further includes: A first telescopic member fixedly installed in the drainage block, and a lifting plate is fixedly installed on the telescopic end of the first telescopic member; Support rods, two groups of support rods are symmetrically arranged on the lifting plate, and the inside of the support rod is a hollow structure; A cleaning roller for cleaning the surface of the adsorption belt. The cleaning roller is rotatably installed between two groups of support rods, and brush hairs are arranged on the surface of the cleaning roller. A gear, which is connected to the support rod through a rotating shaft, and the rotating shaft is connected to the cleaning roller through a linkage. And a rack meshing with the gear, and the rack is fixedly installed in the diversion block.

[0013] As a further scheme of the present invention: the screening assembly includes: A filter plate, which is rotatably connected to the chassis through a second support shaft, and a motor three for driving the second support shaft to rotate is arranged in the side wall of the chassis. A surrounding plate fixedly installed in the chassis, with a group arranged on each side of the filter plate, and the filter plate is in sliding contact with the surrounding plate. At least one set of toothed scrapers, which are located above the filter plate, and elastic pressing strips for elastically pressing the filter plate are arranged on the surrounding plate.

[0014] A using method of an impurity removing machine for shelled cereal grains, which is applied to the above-mentioned impurity removing machine for shelled cereal grains. The method includes the following steps: Step 1: Add the shelled cereal grains into the chassis in batches through the feed port. The diversion block can guide the cereal grains into the working area of the separation component, and the separation component is used to disperse the cereal grains and the impurities adsorbed on the cereal grains. Step 2: Under the action of gravity, the cereal grains processed by the separation component fall above the diversion block. The diversion block can disperse the cereal grains to both sides. When the cereal grains flow above the diversion block, the air holes can make the air flow towards the adsorption component. Step 3: The adsorption component can suck out the impurities mixed in the cereal grains, and the remaining cereal grains will fall into the working area of the screening component under the action of their own gravity. Step 4: Start the screening component. The screening component can perform secondary filtration on the cereal grains. The filtered cereal grains and the remaining impurities are discharged in batches through the discharge port to complete the impurity removal work.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: After the shelled cereal grains are added to the chassis in batches through the feed inlet, the diversion block can guide the cereal grains into the working area of the separation component, and the separation component is used to disperse the cereal grains and the impurities adsorbed on the cereal grains; after being processed by the separation component, the cereal grains fall above the diversion block under the action of gravity. The diversion block can disperse the cereal grains to both sides. When the cereal grains flow above the diversion block, the air holes can make the air flow towards the adsorption component side; the adsorption component can suck out the impurities mixed in the cereal grains, and the remaining cereal grains will fall into the working area of the screening component under their own gravity; start the screening component, and the screening component can perform secondary filtration on the cereal grains. The filtered cereal grains and the remaining impurities are discharged in batches through the discharge port to complete the impurity removal work; Through the coordinated setting of the cleaning mechanism and the screening component, the present invention avoids the problem that in the prior art, when an existing impurity removal machine is used, it is difficult to effectively remove impurities such as broken shells wrapped on cereal grains, resulting in poor screening effect and seriously affecting the production quality of cereal grains. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of the present invention.

[0018] Figure 2 For Figure 1 the rear view structural diagram of

[0019] Figure 3 For Figure 1 the internal structural diagram of

[0020] Figure 4 It is a schematic structural diagram of the screening component in the present invention.

[0021] Figure 5 It is a schematic structural diagram of the cleaning mechanism in the present invention.

[0022] Figure 6 It is a schematic structural diagram of the cleaning component in the present invention.

[0023] Figure 7 It is a partial schematic structural diagram of the truncation component in the present invention.

[0024] Figure 8 ForFigure 7 Schematic diagram of the enlarged structure at A in [the figure].

[0025] Figure 9 Schematic diagram of the structure of the adsorption component in the present invention.

[0026] Figure 10 is Figure 9 Schematic cross-sectional view of the structure at B in [the figure].

[0027] In the attached drawings: 1 - chassis, 2 - feed inlet, 3 - discharge outlet, 4 - first conduit, 5 - second conduit, 6 - drainage block, 7 - baffle, 8 - first support shaft, 9 - shunt block, 10 - air injection hole, 11 - elastic pressing strip, 12 - toothed scraper, 13 - enclosing plate, 14 - filter plate, 15 - second support shaft, 16 - chip discharge port, 17 - elastic sheet, 18 - retaining bar, 19 - first telescopic member, 20 - lifting plate, 21 - rack, 22 - pressing frame, 23 - support roller, 24 - adsorption belt, 25 - telescopic tube, 26 - second telescopic member, 27 - pressing plate, 28 - driving rod, 29 - gear, 30 - support rod, 31 - cleaning roller, 32 - first inclined surface, 33 - elastic telescopic rod, 34 - support airbag, 35 - adsorption hole. Detailed implementation manners

[0028] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the attached drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without making creative efforts based on the embodiments in the present invention belong to the scope of protection of the present invention.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the attached drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0030] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0031] The present invention will be further explained and illustrated below in conjunction with specific embodiments.

[0032] Please refer to Figures 1 - 10 , an impurity removal machine for dehulled cereal grains provided by an embodiment of the present invention, includes: A chassis 1, on which a feed inlet 2 and a discharge outlet 3 are respectively provided; A cleaning mechanism for filtering impurities adhering to the surface of cereal grains, the cleaning mechanism includes a diversion block 6, a shunt block 9, a separation component and an adsorption component. Two diversion blocks 6 are symmetrically arranged in the chassis 1, and an arc-shaped cavity is formed between the two diversion blocks 6. The separation component is arranged in the arc-shaped cavity between the two diversion blocks 6, and the top and bottom of the two diversion blocks 6 are both inclined structures. A set of adsorption components is arranged at the bottom of each of the two diversion blocks 6. The shunt block 9 is fixedly installed in the chassis 1, and the shunt block 9 is provided with air injection holes 10 for blowing air to the side of the adsorption component; wherein a cavity communicating with the air injection holes 10 is formed in the shunt block 9, and a second conduit 5 communicating with the cavity in the shunt block 9 is arranged on the chassis 1. During use, the second conduit 5 is connected to an external fan; And a screening component for performing secondary processing on the cereal grains processed by the cleaning mechanism, the screening component is arranged in the chassis 1 and is located below the cleaning mechanism.

[0033] In an embodiment of the present invention, the impurity removal machine for dehulled cereal grains is preferably applicable to the processing of rice, wheat, etc.; the dehulled cereal grains are added to the chassis 1 in batches through the feed inlet 2. The diversion block 6 can guide the cereal grains into the working area of the separation component, and the separation component is used to disperse the cereal grains and the impurities adsorbed on the cereal grains; after being processed by the separation component, the cereal grains fall above the shunt block 9 under the action of gravity. The shunt block 9 can disperse the cereal grains to both sides. When the cereal grains flow above the shunt block 9, the air injection holes 10 can make the air flow towards the side of the adsorption component; the adsorption component can suck out the impurities mixed in the cereal grains, and the remaining cereal grains will fall into the working area of the screening component under the action of their own gravity; start the screening component, and the screening component can perform secondary filtration on the cereal grains. The filtered cereal grains and the remaining impurities are discharged in batches through the discharge outlet 3 to complete the impurity removal work; compared with the prior art, through the combined setting of the cleaning mechanism and the screening component, the present invention avoids the problem that in the existing impurity removal machine, it is difficult to effectively remove impurities such as broken husks wrapped on the cereal grains during use, resulting in poor screening effect and seriously affecting the production quality of the cereal grains.

[0034] In an embodiment of the present invention, please refer to Figures 1 - 10, the flow dividing block 9 is of a triangular structure, and there is a gap for cereal grains to pass through between the flow dividing block 9 and the flow guiding block 6; The separation assembly includes: A first support shaft 8 rotatably installed in the chassis 1, and a first motor for driving the first support shaft 8 to rotate is arranged in the side wall of the chassis 1; A baffle 7, two baffles 7 are symmetrically arranged on the first support shaft 8, and the baffle 7 is rotatably matched with the flow guiding block 6; And a plurality of elastic sheets 17 fixedly installed on the first support shaft 8; The separation assembly further includes a stop bar 18 for deforming the elastic sheet 17, the stop bar 18 is fixedly installed on the flow guiding block 6, and there are two stop bars 18. One stop bar 18 is fixed on one side of one flow guiding block 6 close to the feed inlet 2, and the other stop bar 18 is fixed on one side of the other flow guiding block 6 close to the flow dividing block 9; The adsorption assembly includes: Support rollers 23 rotatably installed in the flow guiding block 6, and multiple groups of support rollers 23 are symmetrically arranged in the flow guiding block 6. A second motor for driving one group of support rollers 23 to rotate is arranged in the side wall of the flow guiding block 6; An adsorption belt 24 arranged on the support rollers 23, the adsorption belt 24 has an air guiding cavity, and a plurality of support air bags 34 are arranged in the air guiding cavity for support; Adsorption holes 35 opened on the outer surface of the adsorption belt 24, and the adsorption holes 35 are communicated with the air guiding cavity in the adsorption belt 24; And a first conduit 4 arranged on the chassis 1, and two telescopic tubes 25 communicated with the air guiding cavity in the adsorption belt 24 are arranged on the first conduit 4; wherein circular holes for rotatably connecting with the first conduit 4 are opened on both the flow guiding block 6 and the chassis 1; A cleaning assembly for treating impurities adsorbed on the adsorption belt 24 is further arranged in the flow guiding block 6; The cleaning assembly includes: A pressing plate 27, and a second telescopic member 26 for driving the pressing plate 27 to move is arranged in the flow guiding block 6; Elastic telescopic rods 33, a plurality of groups of elastic telescopic rods 33 are fixedly installed on the flow guiding block 6, and a pressing frame 22 is arranged on the telescopic end of the elastic telescopic rod 33; wherein the elastic telescopic rod 33 is composed of two sliding-connected rods, and a spring for pulling the telescopic end rod to move away from the support roller 23 is arranged in the rod fixed on the flow guiding block 6; And a first inclined surface 32 opened on the pressing frame 22, a driving rod 28 is further fixedly installed on the pressing plate 27, and a second inclined surface for cooperating with the first inclined surface 32 is arranged at the end of the driving rod 28; The cleaning component further includes: A first telescopic member 19 fixedly installed in the drainage block 6, and a lifting plate 20 is fixedly installed on the telescopic end of the first telescopic member 19; wherein both the lifting plate 20 and the second telescopic member 26 described above can adopt electric telescopic rods; Support rods 30, two groups of support rods 30 are symmetrically arranged on the lifting plate 20, and the inside of the support rods 30 is a hollow structure; A cleaning roller 31 for cleaning the surface of the adsorption belt 24, the cleaning roller 31 is rotatably installed between the two groups of support rods 30, and bristles are arranged on the surface of the cleaning roller 31; A gear 29, the gear 29 is connected to the support rod 30 through a rotating shaft, and the rotating shaft is connected to the cleaning roller 31 through a linkage member; wherein the linkage member can adopt a combined structure of a pulley and a transmission belt; And a rack 21 meshing with the gear 29, the rack 21 is fixedly installed in the drainage block 6.

[0035] In this embodiment, the support rollers 23 are arranged in a right triangle structure in the drainage block 6, and there is a gap between each group of support rollers 23 to facilitate the movement of the telescopic tube 25 following the adsorption belt 24; the first motor can drive the first support shaft 8 to rotate, and the first support shaft 8 drives the elastic piece 17 to rotate clockwise (the clockwise direction refers to the appendix Figure 5), which can enable the elastic sheet 17 to impact the cereal grains. By using the blocking effect of the blocking strip 18, the elastic sheet 17 can deform when rotating to the top and bottom, further improving the impact effect and enabling the impurities to be fully separated from the cereal grains. When in use, the first conduit 4 is connected to an external suction pump, creating a negative pressure inside the adsorption belt 24, facilitating the adsorption of small-volume impurities such as broken shells in the cereal grains to the outer surface of the adsorption belt 24. The support roller 23 rotates regularly to move the segment of the adsorption belt 24 with adsorbed impurities into the drainage block 6. During cleaning, the second telescopic member 26 drives the pressing plate 27 to move upward, causing the pressing plate 27 to press on the lower support roller 23. At the same time, when the driving rod 28 moves with the pressing plate 27, the driving rod 28 can be used to push the pressing frame 22 to translate, making the pressing frame 22 press on the upper support roller 23. By squeezing the adsorption belt 24 with the pressing plate 27 and the pressing frame 22, the segment of the adsorption belt 24 with adsorbed impurities is separated from other segments. At this time, there will be no suction force in this segment, and the impurities will fall under the action of gravity and be discharged through the chip removal port 16. An opening communicating with the chip removal port 16 is provided on the side wall of the chassis 1. The first telescopic member 19 drives the lifting plate 20 and the support rod 30 to move downward, and in cooperation with the meshing of the rack 21 and the gear 29, the cleaning roller 31 can be rotated to facilitate the removal of impurities on the surface of the adsorption belt 24, improving the cleaning effect. The support roller 23 can effectively remove the impurities adsorbed on the adsorption belt 24 without stopping the machine by driving the movement of the adsorption belt 24, thereby improving the production efficiency.

[0036] In an embodiment of the present invention, please refer to Figures 1 - 10 , the screening assembly includes: A filter plate 14, which is rotatably connected to the chassis 1 through a second support shaft 15, and a third motor for driving the second support shaft 15 to rotate is provided inside the side wall of the chassis 1; A surrounding plate 13 fixedly installed inside the chassis 1, with a set on each side of the filter plate 14, and the filter plate 14 is in sliding contact with the surrounding plate 13; the width of the surrounding plate 13 closer to the discharge port 3 is smaller than that of the other set of surrounding plates 13; At least one set of toothed scraping plates 12, which are located above the filter plate 14, and elastic pressing strips 11 for elastically pressing the filter plate 14 are provided on the surrounding plate 13.

[0037] In this embodiment, the motor three can drive the filter plate 14 to rotate reciprocally at a small angle with the support shaft two 15 as the axis (the filter plate 14 does not separate from the inner wall of the enclosing plate 13 during the rotation process), and both sides of the filter plate 14 are closely attached to the inner wall of the enclosing plate 13 during the rotation process. The reciprocating filter plate 14 can enable the cereal grains to quickly pass through the filter holes on the filter plate 14. The filtered cereal grains will be discharged from the discharge port 3. After the filtration is completed, the motor three drives the filter plate 14 to rotate through the support shaft two 15, so that the filter plate 14 is separated from the bottom of the enclosing plate 13 on the side close to the discharge port 3, facilitating the discharge of the impurities on the filter plate 14 through the discharge port 3; and during the reciprocating movement of the filter plate 14, under the pressing action of the elastic pressing strip 11, the toothed scraper 12 will reciprocally move along the surface of the filter plate 14, facilitating the acceleration of the filtration speed.

[0038] Please refer to Figures 1 - 10 , a method for using an impurity removing machine for shelled cereal grains provided by an embodiment of the present invention is applied to the impurity removing machine for shelled cereal grains as described above. The method includes the following steps: Step 1: Add the shelled cereal grains into the machine case 1 in batches through the feed inlet 2. The diversion block 6 can guide the cereal grains into the working area of the separation component, and the separation component is used to disperse the cereal grains and the impurities adsorbed on the cereal grains. Step 2: Under the action of gravity, the cereal grains processed by the separation component fall above the diversion block 9. The diversion block 9 can disperse the cereal grains to both sides. When the cereal grains flow above the diversion block 9, the air holes 10 can make the air flow towards the adsorption component. Step 3: The adsorption component can suck out the impurities mixed in the cereal grains, and the remaining cereal grains will fall into the working area of the screening component under the action of their own gravity. Step 4: Start the screening component. The screening component can perform secondary filtration on the cereal grains. The filtered cereal grains and the remaining impurities are discharged in batches through the discharge port 3, completing the impurity removal work.

[0039] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An impurity remover for hulled grains, comprising a chassis, wherein a feed inlet and a discharge inlet are respectively arranged on the chassis, wherein: Also includes: A cleaning mechanism for filtering impurities adhered to the surface of grain particles, the cleaning mechanism comprising a drainage block, a shunt block, a separation component and an adsorption component, wherein two drainage blocks are symmetrically arranged in a chassis, and a circular arc cavity is formed between the two drainage blocks, the separation component is arranged in the circular arc cavity between the two drainage blocks, and the tops and bottoms of the two drainage blocks are inclined structures, and the adsorption component is arranged with a group at the bottom of each of the two drainage blocks, the shunt block is fixedly installed in the chassis, and an air jet hole for blowing air to one side of the adsorption component is opened on the shunt block; wherein a cavity connected to the air jet hole is provided in the shunt block, and a conduit two connected to the cavity in the shunt block is provided on the chassis, and when in use, the conduit two is connected to an external fan; And a screening component for secondary processing of the grain particles processed by the cleaning mechanism, wherein the screening component is arranged in the machine box and the screening component is located below the cleaning mechanism.

2. The impurity remover for shelled grains according to claim 1, characterized in that: The diverter block is a triangular structure, and a gap is provided between the diverter block and the drainage block for allowing grains to pass through.

3. The impurity remover for shelled grains according to claim 1, characterized in that: The disengagement assembly comprises: A support shaft 1 is rotatably mounted in the chassis, and a motor 1 is disposed in the side wall of the chassis to drive the support shaft 1 to rotate; Baffles, wherein two baffles are symmetrically arranged on the support shaft 1, and the baffles are rotatably matched with the drainage block; And elastic sheets, wherein a plurality of elastic sheets are fixedly mounted on the supporting shaft.

4. The impurity remover for shelled grains according to claim 3, characterized in that: The disengagement assembly also includes a baffle for deforming the elastic sheet, the baffle being fixedly mounted on the drainage block, and two baffles are provided, one of which is fixed to one side of one drainage block close to the feed port, and the other baffle is fixed to the other side of the drainage block close to the diversion block.

5. The impurity remover for shelled grains according to claim 1, characterized in that: The adsorption assembly comprises: Support rollers, the support rollers are rotatably installed in the drainage block, and multiple groups of support rollers are symmetrically arranged in the drainage block, and a motor 2 for driving one group of support rollers to rotate is arranged in the side wall of the drainage block; An adsorption belt is arranged on the support roller, wherein the adsorption belt has an air guide cavity, and a plurality of supporting air bags are arranged in the air guide cavity for support; Adsorption holes are provided on the outer surface of the adsorption belt, and the adsorption holes are connected to the air guide cavity in the adsorption belt; And a conduit 1 is arranged on the chassis, wherein the conduit 1 is provided with two groups of telescopic tubes which are connected with the air guide cavity in the adsorption belt.

6. The impurity remover for shelled grains according to claim 5, characterized in that: The drainage block is also provided with a cleaning component for processing impurities adsorbed on the adsorption belt.

7. The impurity remover for shelled grains according to claim 6, characterized in that: The cleaning component includes: A pressing plate, wherein the drainage block is provided with a telescopic member 2 for driving the pressing plate to move; Elastic telescopic rods, wherein a plurality of groups of the elastic telescopic rods are fixedly mounted on the drainage block, and a pressing frame is provided on the telescopic end of the elastic telescopic rod; And a slope one is opened on the pressing frame, a driving rod is fixedly installed on the pressing plate, and the end of the driving rod has a slope two for matching with the slope one.

8. The impurity remover for shelled grains according to claim 7, characterized in that: The cleaning component also includes: A telescopic member 1 is fixedly installed in the drainage block, and a lifting plate is fixedly installed on the telescopic end of the telescopic member 1; Support rods, wherein two groups of support rods are symmetrically arranged on the lifting plate, and the interior of the support rods is a hollow structure; A cleaning roller for cleaning the surface of the adsorption belt, wherein the cleaning roller is rotatably installed between two groups of support rods, and bristles are arranged on the surface of the cleaning roller; A gear, wherein the gear is connected to the support rod via a rotating shaft, and the rotating shaft is connected to the cleaning roller via a linkage; and a rack meshing with the gear, wherein the rack is fixedly installed in the drainage block.

9. The impurity remover for shelled grains according to claim 1, characterized in that: The screening assembly comprises: A filter plate, wherein the filter plate is rotatably connected to the chassis via a second support shaft, and a motor third is provided in the side wall of the chassis for driving the second support shaft to rotate; A panel fixedly mounted in the chassis, wherein a group of panels are provided on both sides of the filter plate, and the filter plate and the panel are in sliding contact with each other; At least one group of toothed scrapers is located above the filter plate, and the surrounding plate is provided with elastic pressure strips for elastically pressing the filter plate.

10. A method for using an impurity remover for shelled grains, characterized in that: The impurity remover for shelled cereal grains according to any one of claims 1 to 9 comprises the following steps: Step 1: Add the shelled grains into the chassis in batches through the feed port, use the drainage block to guide the grains into the working area of ​​the separation component, and use the separation component to break up the grains and impurities adsorbed on the grains; Step 2: The grain particles processed by the separation component fall on the top of the diverter block under the action of gravity. The diverter block can disperse the grain particles to both sides. When the grain particles flow over the diverter block, the airflow can flow to one side of the adsorption component by using the air jet hole; Step 3: The adsorption component can be used to absorb the impurities mixed in the grain particles, and the remaining grain particles will fall into the working area of ​​the screening component under the action of their own gravity; Step 4: Start the screening component. The screening component can be used to perform secondary filtration on the grain particles. The filtered grain particles and remaining impurities are discharged in batches through the discharge port to complete the impurity removal work.

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