Rice cleaning sieve

Abstract

The utility model provides a rice cleaning sieve, which relates to the technical field of rice processing, and comprises a box body, a dustproof feed pipe, a screen plate, a dust discharge window, a slag discharge window, a discharge window, a wind power dust removal structure, a first air duct, a second air duct, a blowing mechanism and a dust collection mechanism, according to the device, to-be-screened rice is filtered through the obliquely-arranged net plate, filtered large-particle impurities are discharged from the residue discharging window through vibration in the filtering process, the rice falls into the box body from meshes of the net plate, dust in the rice is blown to the dust discharging window along the net plate through the first air duct and the blowing mechanism, and the dust is discharged into the dust collecting mechanism; the second air duct provides supplementary wind power for the dust discharging window, the situation that the wind power is attenuated half way, rice falling into the box body is discharged through the vibration guiding discharging window along the inclined bottom face of the inner cavity of the box body is avoided, and the design removes flying dust in time, prevents the flying dust from overflowing and prevents the flying dust from falling back to the rice after falling down.

Description

Technical Field

[0001] The utility model relates to the technical field of rice processing, in particular to a rice cleaning screen. Background Art

[0002] In the prior art, a vibrating cleaning screen is usually used to screen rice. During the screening process, dust is easily generated. The dust may fall back onto the rice after falling, affecting the quality of the screened rice. At the same time, the overflow of dust will have an adverse impact on the processing environment and affect the health of rice production and processing personnel. Utility Model Content

[0003] The utility model aims to provide a rice cleaning screen, which has the advantages of avoiding the overflow of dust and preventing the dust from falling back onto the rice, and solves the technical problems that the dust may fall back onto the rice after falling during vibration screening, and the overflow of dust may have an adverse effect on the processing environment.

[0004] The utility model provides a rice cleaning sieve, comprising:

[0005] The box body has a dust-proof feed pipe fixedly connected to the middle of its upper surface;

[0006] The screen plate is fixedly assembled at the upper end of the inner cavity of the box in a transversely inclined manner;

[0007] The outer wall of the box is provided with a dust exhaust window at the higher end of the mesh plate;

[0008] The outer wall of the box is provided with a slag discharge window at the lower end of the mesh plate;

[0009] A discharge window is provided in the middle of the bottom surface of the box body near the dust discharge window, and the bottom surface of the inner cavity of the box body is inclined toward the discharge window;

[0010] The upper end of the box is equipped with a wind dust removal structure, which includes:

[0011] The first air duct is evenly fixed and connected to the side wall of the box body where the slag discharge window is located along the width direction, and the output end of the first air duct faces into the box body;

[0012] The upper ends of the front and rear side walls of the box body are evenly fixed and connected to the second air duct along the length direction;

[0013] The output end of the second air duct is tilted upward toward the dust exhaust window;

[0014] The upper end of the box is equipped with a purge mechanism, the input end of the purge mechanism is located outside the box, and the output end of the purge mechanism is located below the mesh plate inside the box;

[0015] The wind output end of the blowing mechanism is vertically oriented toward the mesh plate;

[0016] The upper end of the side wall of the box where the dust exhaust window is located is detachably fixedly equipped with a dust collecting mechanism, the input end of which is connected to the dust exhaust window;

[0017] The first air duct and the blowing mechanism blow the dust in the rice toward the dust exhaust window along the mesh plate, and the second air duct provides supplementary wind force toward the dust exhaust window;

[0018] A vibration motor is evenly fixedly mounted on the middle portion of the bottom surface of the screen plate along the length direction.

[0019] As a further optimization solution, in order to perform wind blowing from bottom to top perpendicular to the screen, the blowing mechanism includes:

[0020] The longitudinal pipe is evenly and longitudinally fixedly assembled in the box body, and the upper surface of the longitudinal pipe is evenly and fixedly connected with a nozzle along the length direction, and the nozzle is the wind output end of the wind dust removal structure;

[0021] The longitudinal pipe extends out of the front wall of the box body and is fixedly connected to a circular cover, and adjacent circular covers are fixedly connected to a connecting pipe;

[0022] The outer wall of the outermost circular cover is fixedly connected with an air inlet pipe.

[0023] As a further optimization solution, in order to utilize the vibration of the vibration motor to drive the rice auxiliary shelling structure to perform preliminary and rough crushing and shelling of the rice, the middle part of the bottom surface of the mesh plate is evenly fixed with a vibration motor along the length direction, and the position between the outer wall of the vibration motor and the inner wall of the box is equipped with a rice auxiliary shelling structure, which includes:

[0024] A clamp, which is fixedly sleeved on the outer wall of the vibration motor;

[0025] The outer wall of the clamp is hinged with an oblique rod, and the lower end of the oblique rod is hinged with a vertical rod;

[0026] A rolling roller is fixedly mounted on the lower end of the vertical rod, and the cross section of the rolling roller is fan-shaped;

[0027] The upper ends of the front and rear side walls of the vertical rods are provided with longitudinal through holes, and the hinged shaft rods at the lower ends of the oblique rods are slidably inserted into the longitudinal through holes;

[0028] A rice milling gap is formed between the downwardly facing arc surface of the milling roller and the bottom surface of the inner cavity of the box;

[0029] The front and rear ends of the upper ends of the rolling rollers are rotatably connected to the inner wall of the box;

[0030] The vibration motor drives the oblique rod to push the vertical rod to flip back and forth, and the vertical rod pushes the rolling roller to rotate back and forth.

[0031] As a further optimization solution, in order to prevent dust from overflowing while feeding, the dust-proof feeding pipe includes:

[0032] A rectangular feeding pipe, the lower end of which is fixedly communicated with the middle part of the top surface of the box;

[0033] The inner wall of the U-shaped frame is uniformly pasted with rubber strips on the length direction, and the inner end of the rubber strips of the two sides of the U-shaped frame is pasted.

[0034] The inner wall of the U-shaped frame is uniformly pasted with rubber strips on the length direction, and the inner end of the rubber strips of the two sides of the U-shaped frame is pasted.

[0035] The inner wall of the U-shaped frame is uniformly pasted with rubber strips on the length direction, and the inner end of the rubber strips of the two sides of the U-shaped frame is pasted.

[0036] As a further optimization scheme, in order to collect the dust discharged by the wind, the dust collecting mechanism comprises:

[0037] The left side of the rectangular frame is detachably fixedly assembled on the upper end of the dust exhaust window of the box.

[0038] The opening on the side of the rectangular frame away from the dust exhaust window is fixedly assembled with a filter screen mounting frame by bolts, and the filter screen mounting frame is fixedly assembled with a filter screen.

[0039] The dust collecting bag is a rectangular bag with an open upper end, and a support framework is arranged in the dust collecting bag.

[0040] The upper edge of the dust collecting bag is integrally formed with a connecting piece on the front and rear sides, and the connecting piece is uniformly provided with a insertion hole in the length direction.

[0041] The outer wall of the rectangular frame is fixedly assembled with an insertion rod corresponding to the insertion hole, and the insertion rod is inserted into the corresponding insertion hole.

[0042] The bottom surface of the rectangular frame is provided with a dust exhaust window, and the upper end of the dust collecting bag is pasted with the bottom surface of the rectangular frame.

[0043] As a further optimization scheme, in order to scatter the discharged dust and avoid clogging the filter screen, the inner wall of the rectangular frame is assembled with an impeller in the length direction, which comprises:

[0044] A circular rod is fixedly assembled in the middle part of the inner wall of the rectangular frame in the length direction.

[0045] The outer rotating sleeve of the circular rod is rotatably sleeved with a sleeve, and the outer wall of the sleeve is uniformly fixedly assembled with a fan blade, and the fan blade is distributed along the length direction of the outer wall of the sleeve.

[0046] The outer end of the fan blade on the side close to the filter screen is pasted with the filter screen.

[0047] As a further optimization scheme, in order to ensure the vibration effect of the box, promote screening and discharging, the bottom surface of the box is fixedly provided with an elastic supporting block at each corner.

[0048] As a further optimization scheme, in order to ensure the vibration effect of the box through the elastic effect of the spring, promote screening and discharging, the elastic supporting block comprises:

[0049] A blind hole is formed in the middle of the top surface of the supporting block body;

[0050] One end of the spring is fixedly connected to the bottom surface of the blind hole, and the other end of the spring extends out of the blind hole and is fixedly connected to the bottom surface of the box;

[0051] A guide hole is formed in the edge of the top surface of the supporting block body, and a guide rod is fixedly provided on the bottom surface of the box corresponding to the guide hole;

[0052] The guide rod is slidingly inserted into the guide hole.

[0053] As a further optimization scheme, in order to better discharge the impurities filtered by the screen plate, a guide plate is fixedly provided at the lower edge of the outer wall of the slag discharge window, and the end of the guide plate away from the box is inclined downward.

[0054] As a further optimization scheme, in order to collect the rice discharged from the discharge window, a rice collecting box is inserted between the two elastic supporting blocks on the right side.

[0055] Compared with the prior art, the rice cleaning sieve has the following improvements and advantages:

[0056] The device filters the rice to be screened through the screen plate arranged obliquely, discharges the large-particle impurities filtered from the slag discharge window through vibration during the filtering process, and falls into the box through the mesh holes of the screen plate, blows the dust in the rice along the screen plate to the dust discharge window through the first air cylinder and the blowing mechanism, and discharges the dust into the dust collecting mechanism, the second air cylinder provides supplementary wind power to the dust discharge window, avoids the attenuation of wind power halfway, and discharges the rice falling into the box along the inclined bottom surface of the inner cavity of the box to the discharge window through vibration, the above design avoids the overflow of dust, removes the dust in time, and avoids the dust falling back to the rice. BRIEF DESCRIPTION OF DRAWINGS

[0057] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0058] Figure 1 It is a structure schematic diagram of the utility model;

[0059] Figure 2 It is a structure schematic section view of the utility model;

[0060] Figure 3 It is a dust collection mechanism structure schematic diagram of the utility model;

[0061] Figure 4 It is a impeller structure schematic diagram of the utility model;

[0062] Figure 5 It is a dust collection mechanism structure schematic diagram of the utility model Figure 1 Enlarged structure schematic diagram of A place in the middle.

[0063] Explanation of reference signs:

[0064] 1-box, 2-dustproof feed pipe, 21-rectangular feed pipe, 22-U-shaped frame, 23-rubber strip, 3-net plate, 4-dust discharge window, 5-discharge window, 6-vibration motor, 7-discharge window, 8-wind power dust removal structure, 81-first air cylinder, 82-second air cylinder, 83-blowing mechanism, 831-circular cover, 832-connection pipe, 833-air inlet pipe, 834-longitudinal pipeline, 9-rice auxiliary shelling structure, 91-clamp, 92-inclined rod, 93-vertical rod, 94-longitudinal through hole, 95-rolling roller, 10-dust collection mechanism, 101-rectangular frame, 102-filter screen mounting frame, 103-filter screen, 104-dust collection bag, 105-inserting rod, 106-inserting hole, 11-guide plate, 12-elastic supporting block, 121-supporting block main body, 122-blind hole, 123-spring, 124-guide rod, 125-guide hole, 13-rice collection box, 14-impeller, 141-circular rod, 142-sleeve, 143-fan blade. DETAILED DESCRIPTION

[0065] The technical scheme of the utility model will be described below in conjunction with embodiments, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0066] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0067] In the description of the utility model, it is understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited. In addition, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0068] Please refer to Figures 1-5 The utility model provides technical scheme: a rice cleaning sieve, including:

[0069] The upper surface of the box body 1 is fixedly connected with a dustproof feeding pipe 2 in the middle, which can prevent dust from overflowing while feeding;

[0070] The net plate 3 is fixedly assembled in the upper end of the inner cavity of the box body 1 in a transverse and inclined manner;

[0071] The dust discharge window 4 is arranged at the higher end of the net plate 3 on the outer wall of the box body 1;

[0072] The residue discharge window 5 is arranged at the lower end of the net plate 3 on the outer wall of the box body 1;

[0073] The net plate 3 is vibrated under the driving of the vibration motor 6, the large particle impurities in the rice are filtered by the vibration of the net plate 3, the filtered large particle impurities are discharged to the outside through the residue discharge window 5, and the rice is discharged into the lower end of the inner cavity of the box body 1 through the mesh holes of the net plate 3;

[0074] A discharge window 7 is formed in the middle of the bottom surface of the box 1 near the dust discharge window 4, and the bottom surface of the inner cavity of the box 1 is inclined towards the discharge window 7. Under the action of vibration, the rice falling into the lower end of the inner cavity of the box 1 slides along the inclined slope of the bottom surface of the inner cavity of the box 1 to the discharge window 7, and is finally discharged from the discharge window 7 of the box 1;

[0075] A wind force dust removal structure 8 is assembled at the upper end of the box 1, which comprises:

[0076] A first air duct 81 is uniformly fixed and communicated on the side wall of the box 1 where the residue discharge window 5 is located along the width direction, and the output end of the first air duct 81 is directed towards the inner cavity of the box 1;

[0077] Second air ducts 82 are uniformly fixed and communicated on the upper end of the front and rear side walls of the box 1 along the length direction;

[0078] The output end of the second air duct 82 is inclined upwardly towards the dust discharge window 4;

[0079] A blowing mechanism 83 is assembled at the upper end of the box 1, the input end of the blowing mechanism 83 is located outside the box 1, and the output end of the blowing mechanism 83 is located below the mesh plate 3 in the box 1;

[0080] The wind force output end of the blowing mechanism 83 is directed vertically towards the mesh plate 3;

[0081] A dust collection mechanism 10 is detachably fixed and assembled on the upper end of the side wall of the box 1 where the dust discharge window 4 is located, and the input end of the dust collection mechanism 10 is in communication with the dust discharge window 4;

[0082] The first air duct 81 and the blowing mechanism 83 blow the dust in the rice along the mesh plate 3 to the dust discharge window 4, and the second air duct 82 provides supplementary wind force to the dust discharge window 4 to avoid wind force attenuation halfway;

[0083] A vibration motor 6 is uniformly fixed and assembled on the bottom surface of the mesh plate 3 along the length direction.

[0084] In some embodiments, in order to blow vertically from below to above the mesh plate 3, the blowing mechanism 83 comprises:

[0085] A longitudinal duct 834 is uniformly fixed and assembled in the box 1 along the length direction, and the upper surface of the longitudinal duct 834 is uniformly fixed and communicated with nozzles along the length direction, and the nozzles are the wind force output ends of the wind force dust removal structure 8;

[0086] The longitudinal duct 834 extends out of the front wall of the box 1 and is fixed and communicated with a circular cover 831, and the adjacent circular covers 831 are fixed and communicated with connecting pipes 832 at the positions therebetween;

[0087] The outer wall of the outermost circular cover 831 is fixed and communicated with an air inlet pipe 833, and the air inlet pipe 833 is connected with an external air source. The wind force enters the circular cover 831 and the connecting pipe 832 from the air inlet pipe 833, and is finally sprayed vertically from the nozzles along the longitudinal duct 834.

[0088] In some embodiments, in order to utilize the vibration of the vibration motor 6 to drive the rice auxiliary shelling structure 9 to perform preliminary and rough crushing and shelling of the rice, a rice auxiliary shelling structure 9 is installed between the outer wall of the vibration motor 6 and the inner wall of the box 1, which includes:

[0089] A clamp 91 is fixedly sleeved on the outer wall of the vibration motor 6;

[0090] The outer wall of the clamp 91 is hinged with an oblique rod 92, and the lower end of the oblique rod 92 is hinged with a vertical rod 93;

[0091] A rolling roller 95 is fixedly mounted on the lower end of the vertical rod 93, and the cross section of the rolling roller 95 is fan-shaped;

[0092] A longitudinal through hole 94 is formed at the upper end of the front and rear side walls of the vertical rod 93, and a hinged shaft at the lower end of the oblique rod 92 is slidably inserted into the longitudinal through hole 94;

[0093] The milling roller 95 has an arc surface facing downwards and forms a rice milling gap with the bottom surface of the inner cavity of the box 1;

[0094] The front and rear ends of the upper ends of the rolling roller 95 are rotatably connected to the inner wall of the box body 1;

[0095] The vibration motor 6 vibrates to drive the oblique rod 92 to push the vertical rod 93 to flip back and forth, and the vertical rod 93 pushes the laminating roller 95 to rotate back and forth.

[0096] like Figure 2 As shown, there are three rice auxiliary hulling structures 9, and the rice milling gaps formed between the bottom surfaces of the three rice auxiliary hulling structures 9 and the bottom surface of the inner cavity of the box body 1 have the same size, which perform preliminary and rough rice milling and hulling.

[0097] In some embodiments, in order to prevent dust from overflowing while feeding, the dust-proof feeding pipe 2 includes:

[0098] A rectangular feed pipe 21, the lower end of which is fixedly connected to the middle of the top surface of the box body 1;

[0099] U-shaped frames 22 are symmetrically fixed on the left and right sides of the inner wall of the rectangular feed pipe 21, and the inner ends of the U-shaped frames 22 on both sides are in contact with each other;

[0100] The outer side of the inner wall of the U-shaped frame 22 is evenly adhered and fixed with rubber strips 23 along the length direction, and the inner ends of the rubber strips 23 of the U-shaped frames 22 on both sides are in contact with each other;

[0101] The adjacent rubber strips 23 on the U-shaped frame 22 and the rubber strips 23 and the inner wall of the U-shaped frame 22 are all in contact with each other. When the material is discharged, the gravity of the material squeezes the inner ends of the rubber strips 23 on both sides to deform, and the material passes through the gap between the deformed rubber strips 23 on both sides. After the material passes through, the rubber strips 23 on both sides elastically return to their original position, shielding the inner cavity of the rectangular feeding tube 21 to prevent dust generated by the discharge from overflowing.

[0102] In some embodiments, in order to collect the wind discharged dust, the dust collecting mechanism 10 comprises:

[0103] The rectangular frame 101 is designed with openings on both left and right sides, and the left side of the rectangular frame 101 is detachably fixed and assembled to the upper end of the side wall of the box 1 where the dust discharge window 4 is located.

[0104] The opening on the side of the rectangular frame 101 away from the dust discharge window 4 is fixedly assembled with a filter screen mounting frame 102 by bolts, and the filter screen mounting frame 102 is fixedly assembled with a filter screen 103 inside.

[0105] The dust collecting bag 104 is a rectangular bag with an open upper end, and a support skeleton is arranged inside the dust collecting bag 104.

[0106] The dust collecting bag 104 is integrally formed with a connecting piece on both front and rear sides of the upper edge, and the connecting piece is uniformly provided with a insertion hole 106 along the length direction.

[0107] The rectangular frame 101 is fixedly assembled with an insertion rod 105 on the outer wall corresponding to the insertion hole 106, and the insertion rod 105 is inserted into the corresponding insertion hole 106.

[0108] The bottom surface of the rectangular frame 101 is provided with a dust discharge window, and the upper end of the dust collecting bag 104 is attached to the bottom surface of the rectangular frame 101.

[0109] After the dust enters by wind force, the air is discharged from the filter screen 103, and the dust falls into the dust collecting bag 104 below. The insertion hole 106 on the connecting piece on both front and rear sides of the upper edge of the dust collecting bag 104 is sleeved on the insertion rod 105 fixed on the outer wall of the rectangular frame 101. When the dust collecting bag 104 needs to be disassembled and cleaned, the connecting piece can be removed from the insertion rod 105.

[0110] In some embodiments, in order to scatter the discharged dust and avoid blocking the filter screen 103, the fan blades 143 are rotated to beat the filter screen 103, thereby realizing self-cleaning of the filter screen 103. The inner wall of the rectangular frame 101 is assembled with an impeller 14 along the length direction, which comprises:

[0111] The circular rod 141 is fixedly assembled in the middle part of the inner wall of the rectangular frame 101 along the length direction.

[0112] The circular rod 141 is rotatably sleeved with a sleeve 142, the outer wall of the sleeve 142 is uniformly fixedly assembled with fan blades 143, and the fan blades 143 are distributed along the length direction of the outer wall of the sleeve 142. The wind source carrying dust acts on the rotating fan blades 143.

[0113] The outer end of the fan blades 143 on the side close to the filter screen 103 is attached to the filter screen 103.

[0114] In some embodiments, in order to ensure the vibration effect of the box, promote screening and discharging, the elastic supporting blocks 12 are fixedly assembled at the four corners of the bottom surface of the box 1.

[0115] In some embodiments, in order to ensure the vibration effect of the box 1 through the elastic action of the spring 123, promote screening and discharging, the elastic supporting block 12 comprises:

[0116] The supporting block body 121 is provided with a blind hole 122 in the middle of the top surface;

[0117] One end of the spring 123 is fixedly connected to the bottom surface of the blind hole 122, and the other end of the spring 123 extends out of the blind hole 122 and is fixedly connected to the bottom surface of the box 1;

[0118] The supporting block body 121 is provided with a guide hole 125 at the edge of the top surface, and the box 1 is fixedly assembled with a guide rod 124 corresponding to the guide hole 125;

[0119] The guide rod 124 is slidingly inserted into the guide hole 125, and the cooperation of the guide rod 124 and the guide hole 125 plays a guiding role, ensuring the direction of the up-and-down vibration of the box 1. The spring 123 serves as an elastic member for supporting and connecting the supporting block body 121 and the box 1, reducing the influence of the ground on the vibration of the box 1.

[0120] In some embodiments, in order to better discharge the impurities filtered by the screen plate, a guide plate 11 is fixedly assembled at the lower edge of the outer wall of the slag discharge window 5, and the end of the guide plate 11 away from the box 1 is inclined downward, so that the discharged impurities are more easily collected after being guided by the guide plate 11.

[0121] In some embodiments, in order to collect the rice discharged from the discharge window 7, a rice collecting box 13 is inserted between the right two elastic supporting blocks 12, and the rice collecting box 13 can be pulled out from between the right two elastic supporting blocks 12.

[0122] Working principle:

[0123] The dustproof feeding pipe 2 avoids dust overflow while feeding, the screen plate 3 vibrates under the drive of the vibrating motor 6, the large particle impurities in the rice are filtered by the vibration of the screen plate 3, the filtered large particle impurities are discharged from the slag discharge window 5 to the outside, the rice is discharged from the mesh holes of the screen plate 3 into the lower end of the inner cavity of the box 1, and the rice in the lower end of the inner cavity of the box 1 falls along the slope of the bottom surface of the inner cavity of the box 1 to the discharge window 7 under the action of vibration, and finally is discharged from the discharge window 7 out of the box 1;

[0124] The first air cylinder 81 and the blowing mechanism 83 blow the dust in the rice along the screen plate 3 to the dust discharge window 4, and the second air cylinder 82 provides supplementary wind power to the dust discharge window 4 to avoid wind power attenuation halfway, the above design avoids dust overflow, removes dust in time, and avoids dust falling back onto the rice.

[0125] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; 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 application.

Claims

1. A rice cleaning sieve characterized by, Include: Box (1), the upper surface of the middle fixed communication has dustproof feed pipe (2); Mesh plate (3), which is fixedly installed in the upper end of the inner cavity of the box (1) and is inclined transversely; The outer wall of the box (1) is provided with a dust discharge window (4) at the higher end of the mesh plate (3); The outer wall of the box (1) is provided with a slag discharge window (5) at the lower end of the mesh plate (3); The bottom surface of the box (1) is provided with a discharge window (7) near the middle of the side of the dust discharge window (4), and the bottom surface of the inner cavity of the box (1) is inclined towards the discharge window (7); The upper end of the box (1) is provided with a wind power dust removal structure (8), which comprises: The first air duct (81) is fixedly connected to the side wall of the box (1) where the slag discharge window (5) is located along the width direction, and the output end of the first air duct (81) faces the inner cavity of the box (1); The second air duct (82) is fixedly connected to the upper end of the front and rear side walls of the box (1) along the length direction; The output end of the second air duct (82) is inclined upward and faces the dust discharge window (4); The upper end of the box (1) is provided with a blowing mechanism (83), and the input end of the blowing mechanism (83) is located outside the box (1), and the output end of the blowing mechanism (83) is located below the mesh plate (3) in the box (1); The wind power output end of the blowing mechanism (83) is perpendicular to the mesh plate (3); The upper end of the side wall of the box (1) where the dust discharge window (4) is located is detachably fixedly provided with a dust collection mechanism (10), and the input end of the dust collection mechanism (10) is in communication with the dust discharge window (4); The first air duct (81) and the blowing mechanism (83) blow the dust in the rice along the mesh plate (3) to the dust discharge window (4), and the second air duct (82) provides supplementary wind power to the dust discharge window (4); The bottom surface of the mesh plate (3) is fixedly provided with a vibration motor (6) along the length direction.

2. A rice cleaning sieve according to claim 1, wherein The blowing mechanism (83) comprises: The longitudinal duct (834) is fixedly installed in the box (1) along the length direction, and the upper surface of the longitudinal duct (834) is fixedly connected with a plurality of nozzles along the length direction, and the nozzles are the wind power output ends of the wind power dust removal structure (8); The circular cover (831) is fixedly connected to the front wall of the box (1) and extends out of the box (1), and the connecting pipes (832) are fixedly connected between the adjacent circular covers (831); The outer wall of the outermost circular cover (831) is fixedly connected with an air inlet pipe (833).

3. The rice cleaning sieve according to claim 1, wherein The outer wall of the vibration motor (6) is fixedly connected with a rice auxiliary shelling structure (9), which comprises: The clamp (91) is fixedly sleeved on the outer wall of the vibration motor (6); The outer wall of the clamp (91) is hingedly connected with an inclined rod (92), and the lower end of the inclined rod (92) is hingedly connected with a vertical rod (93); The lower end of the vertical rod (93) is fixedly provided with a rolling roller (95), and the cross section of the rolling roller (95) is fan-shaped; The front and rear side walls of the vertical rod (93) are provided with longitudinal through holes (94) at the upper end, and the lower end of the inclined rod (92) is slidably inserted into the longitudinal through hole (94); The arc surface of the rolling roller (95) faces downward and forms a rice milling gap with the bottom surface of the inner cavity of the box (1). The upper end of the rolling roller (95) is rotatably connected to the inner wall of the box (1) on both sides; The vibrating motor (6) vibrates to drive the inclined rod (92) to push the vertical rod (93) to reciprocatingly overturn, and the vertical rod (93) pushes the rolling roller (95) to reciprocatingly rotate.

4. The rice cleaning sieve according to claim 1, wherein The dustproof feed pipe (2) comprises: A rectangular feed pipe (21) is fixedly communicated with the middle part of the top surface of the box (1) at the lower end; The inner wall of the rectangular feed pipe (21) is symmetrically fixedly provided with a U-shaped frame (22) on both sides; The inner wall of the U-shaped frame (22) is uniformly pasted with a rubber strip (23) along the length direction, and the inner side ends of the rubber strips (23) on both sides of the U-shaped frame (22) are pasted together; The inner wall of the U-shaped frame (22) is uniformly pasted with a rubber strip (23) along the length direction, and the inner side ends of the rubber strips (23) on both sides of the U-shaped frame (22) are pasted together.

5. The rice cleaning sieve according to claim 1, wherein The dust collecting mechanism (10) comprises: A rectangular frame (101) is designed with openings on both sides, and the left side of the rectangular frame (101) is detachably fixedly provided on the upper end of the side wall of the box (1) where the dust exhaust window (4) is located; A filter screen mounting frame (102) is fixedly provided on the opening of the side of the rectangular frame (101) away from the dust exhaust window (4) through bolts, and a filter screen (103) is fixedly provided in the filter screen mounting frame (102); A dust collecting bag (104) is a rectangular bag with an opening at the upper end, and a support framework is arranged in the dust collecting bag (104); The upper edges of the dust collecting bag (104) are integrally formed with connecting pieces on both sides, and the connecting pieces are uniformly provided with insertion holes (106) along the length direction; The outer wall of the rectangular frame (101) is fixedly provided with an insertion rod (105) corresponding to the insertion holes (106), and the insertion rod (105) is inserted into the corresponding insertion holes (106); A dust exhaust window is arranged on the bottom surface of the rectangular frame (101), and the upper end of the dust collecting bag (104) is pasted to the bottom surface of the rectangular frame (101).

6. A rice cleaning sieve according to claim 5, characterized in that: A rectangular frame (101) is designed with openings on both sides, and the left side of the rectangular frame (101) is detachably fixedly provided on the upper end of the side wall of the box (1) where the dust exhaust window (4) is located; A circular rod (141) is fixedly provided in the middle part of the inner wall of the rectangular frame (101) along the length direction; The outer side end of the fan blade (143) close to the filter screen (103) is pasted to the filter screen (103). Elastic support blocks (12) are fixedly provided at the four corners of the bottom surface of the box (1).

7. A rice cleaning sieve according to claim 1, characterized in that: The elastic support block (12) comprises:

8. A rice cleaning sieve according to claim 7, wherein A support block body (121) is provided with a blind hole (122) in the middle part of the top surface; One end of the spring (123) is fixedly connected to the bottom surface of the blind hole (122), and the other end of the spring (123) extends out of the blind hole (122) and is fixedly connected to the bottom surface of the box (1); A guide hole (125) is arranged on the top edge of the support block body (121), and a guide rod (124) is fixedly provided on the bottom surface of the box (1) corresponding to the guide hole (125); ​ The guide rod (124) is slidingly inserted into the guide hole (125).

9. The rice cleaning sieve according to claim 1, wherein The guide plate (11) is fixedly assembled at the lower edge of the outer wall of the slagging window (5), and the guide plate (11) is inclined downward away from the one end of the box body (1).

10. The rice cleaning sieve according to claim 7, wherein The rice collecting box (13) is inserted between the two elastic supporting blocks (12) on the right side.

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