Rice stoning machine

By incorporating a roller brush washing and impurity removal structure and an inclined vibrating screen into the rice destoner, the problem of difficult removal of dirt and dust from the rice surface is solved, achieving high-quality separation and cleaning of the rice.

CN223684032UActive Publication Date: 2025-12-19FANGZHENG COUNTY HUIFA TOWN SHENGXI RICE IND CO LTD
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Patent Information

Application Number
CN202422962898.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-12-19
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

In the current rice destoner process, it is difficult to remove the mud and dust adhering to the surface of the rice, which affects the quality of the rice.

Method used

A roller brush washing and impurity removal structure is set on the conveyor belt. The rotating drive structure drives the rollers and brushes to wash the mud and dust on the surface of the rice, and the impurities in the rice are separated by a flexible screen and an inclined vibrating screen.

Benefits of technology

It effectively removes dirt and dust from the surface of rice, improving rice quality and ensuring its cleanliness and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a rice stoning machine, which relates to the technical field of rice processing equipment, and comprises a conveyor belt, a roller brush washing and impurity removing structure, a first flange, a mounting window, a flexible screen, a round roller, bristles, a rotary driving structure and an inclined vibrating screen, according to the device, the roller brush brushing and impurity removing structure is arranged on the conveying belt, the conveying belt is not started during use or the rotating speed of the conveying belt is far slower than the rotating speed of the round rollers after the conveying belt is started, a rotating driving structure in the roller brush brushing and impurity removing structure is used for driving the round rollers and bristles on the round rollers to rotate, and the round rollers rotate to convey rice to the next round roller through the bristles on the round rollers; the rotating bristles of the round roller brush off soil and dust adhering to the surface of the rice, the soil and the dust on the surface of the rice are discharged from meshes of the flexible screen, large-particle impurities in the rice are filtered out through the inclined vibrating screen, stone removing operation is completed, and the quality of the rice is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rice processing equipment technical field especially is related to a rice stoning machine. BACKGROUND

[0002] The existing rice stoning machine adopts the specific gravity sorting method to screen sand and stone, and the basic principle is to separate the stones and other heavy impurities in the rice by means of airflow and sieve surface according to the difference in specific gravity and suspension speed of the rice and sand and stone, but the surface of the rice will also adhere to some soil and dust, and when the rice is screened and impurities are removed by means of airflow and sieve surface, the soil and dust are not easy to separate from the surface of the rice, which affects the quality of the rice. SUMMARY

[0003] The utility model discloses a rice stoning machine, has the advantage that the soil and dust adhered to the surface of the rice are brushed, and the quality of the rice is improved, and the technical problem that the existing rice stoning machine adopts the specific gravity sorting method to screen sand and stone, and the surface of the rice will also adhere to some soil and dust is solved.

[0004] The utility model provides a rice stoning machine, which comprises:

[0005] A conveying belt is provided with roller brushes on the upper edge and surface for brushing and removing impurities, which comprises:

[0006] Two first flanges are arranged in parallel on the front and back of the conveying belt, and the two first flanges are fixedly arranged on the upper edge of the conveying belt on the front and back sides.

[0007] An installation window is formed in the middle of the surface of the conveying belt along the length direction, and a flexible screen is fixedly attached in the installation window.

[0008] A plurality of circular rollers are rotatably arranged between the inner sides of the front and back first flanges, and the outer walls of the circular rollers are fixedly attached with bristles.

[0009] A rotating drive structure is arranged between the front side of the first flange and the front wall of the conveying belt.

[0010] The bristles on the circular rollers convey the rice to the next circular roller, and the bristles on the circular rollers brush off the soil and dust adhered to the surface of the rice.

[0011] The pore size of the flexible screen is smaller than the outer diameter of the rice, and the soil and dust brushed off from the surface of the rice is discharged through the mesh of the flexible screen.

[0012] An inclined vibrating screen is fixedly connected to the output end of the conveying belt, and the pore size of the inclined vibrating screen is larger than the outer diameter of the rice.

[0013] The inclined vibrating screen filters out large-particle impurities and discharges the rice.

[0014] As a further optimization scheme, in order to remove large particle impurities in rice by vibrating screen, the inclined vibrating screen includes:

[0015] The upper end of the first inclined plate is fixedly provided with connecting lugs on the front and rear edges, and the connecting lugs are fixedly connected with the edge of the output end of the conveying belt through bolts;

[0016] The upper surface of the first inclined plate is uniformly provided with through holes, which are the mesh holes of the inclined vibrating screen;

[0017] The lower end of the first inclined plate is fixedly provided with a damping base, and the bottom surface of the damping base is attached to the ground;

[0018] The upper surface of the first inclined plate is fixedly provided with a second baffle on the front and rear edges;

[0019] The bottom surface of the first inclined plate is fixedly provided with a vibration mechanism.

[0020] As a further optimization scheme, in order to play a buffering and damping role during vibrating screening and prolong the service life, the damping base includes:

[0021] The upper end of the strip-shaped support block is uniformly embedded with dampers along the length direction;

[0022] The outer wall of the damper is sleeved with a spring, and the two ends of the spring are respectively abutted on the ground of the first inclined plate and the upper surface of the strip-shaped support block.

[0023] As a further optimization scheme, in order to provide vibration force for the inclined vibrating screen, the vibration mechanism includes:

[0024] The vibration motor is uniformly fixedly provided on the bottom surface of the first inclined plate, and the vibration motor is located at the gap of the through hole;

[0025] The vibration motor is electrically connected with a controller in parallel.

[0026] As a further optimization scheme, in order to rotate and drive the circular roller and the bristles thereon, and to move the rice towards the output end of the conveying belt by using the rotating circular roller and the bristles, the soil and dust adhered to the surface of the rice can be brushed off in this process, the rotating driving structure includes:

[0027] The rotating transmission assembly is fixedly connected to the front end of the shaft of the adjacent circular roller, and the adjacent rotating transmission assemblies are staggered in front and back;

[0028] The rotating driving assembly is arranged between the front end of the shaft of the circular roller and the front wall of the conveying belt.

[0029] As a further optimization scheme, in order to transmit the rotating force of the rotating driving assembly to the plurality of rollers, the rotating transmission assembly comprises:

[0030] The first rotating wheel is fixedly sleeved on the front end of the shaft rod of the adjacent roller.

[0031] The first belt is sleeved on the outer wall of the first rotating wheel.

[0032] As a further optimization scheme, in order to provide the driving force of rotation, drive the plurality of rotating transmission assemblies to rotate, drive the plurality of rollers and the bristles thereon to rotate, the rotating driving assembly comprises:

[0033] The second rotating wheel is fixedly sleeved on the front end of the shaft rod of the roller at the end.

[0034] The driving motor is fixedly assembled on the front wall of the conveyor belt, and the driving motor output front end is fixedly assembled with the driving wheel.

[0035] The second belt is sleeved on the outer wall of the driving wheel and the second rotating wheel.

[0036] As a further optimization scheme, in order to more conveniently feed, the upper edge of the input end of the conveyor belt is fixedly assembled with a feeding guide plate, which comprises:

[0037] The second inclined plate is fixedly assembled on the upper edge of the input end of the conveyor belt.

[0038] The third baffle is fixedly assembled on the upper surface of the second inclined plate.

[0039] The connecting rod is fixedly assembled between the bottom surface of the second inclined plate and the upper edge of the input end of the conveyor belt.

[0040] As a further optimization scheme, in order to collect the soil and dust falling on the surface of the rice, the U-shaped frame is fixedly assembled on the left and right sides of the bottom surface of the conveyor belt, and the waste collecting groove body is slidably inserted into the U-shaped frame.

[0041] The waste collecting groove body is located directly below the conveyor belt.

[0042] As a further optimization scheme, in order to collect the rice after removing impurities, further comprising:

[0043] The rice collecting groove body is inserted below the inclined vibrating screen.

[0044] Compared with the prior art, the rice stone removing machine has the following improvements and advantages:

[0045] The device is provided with a roller brush brushing and impurity removing structure on the conveying belt, the conveying belt is not started or is started at a speed much slower than the rotating speed of the rollers when in use, the rotating driving structure in the roller brush brushing and impurity removing structure drives the rotation of the plurality of rollers and the brush hairs thereon, the rollers rotate to convey the rice to the next roller through the brush hairs thereon, the rotating brush hairs of the rollers brush off the mud and dust adhered to the surface of the rice, the mud and dust brushed off from the surface of the rice are discharged from the mesh holes of the flexible screen, the large particle impurities in the rice are filtered out through the inclined vibrating screen, the complete stone removing operation is realized, and the quality of the rice is improved. BRIEF DESCRIPTION OF DRAWINGS

[0046] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the following specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0047] Figure 1 It is a structural schematic diagram of the present application;

[0048] Figure 2 It is a structural schematic diagram of the inclined vibrating screen of the present application;

[0049] Figure 3 It is a structural schematic diagram of the vibrating motor assembly structure of the present application;

[0050] Figure 4 It is a structural schematic diagram of the rotating driving structure of the present application;

[0051] Figure 5 It is a structural schematic diagram of the feed guide plate of the present application.

[0052] Explanation of reference signs:

[0053] 1-conveying belt, 2-roller brush brushing and impurity removing structure, 21-flexible screen, 22-first flange, 23-roller, 24-rotating driving structure, 241-rotation transmission assembly, 2411-first rotating wheel, 2412-first belt, 242-rotating driving assembly, 2421-second rotating wheel, 2422-driving motor, 2423-driving wheel, 2424-second belt, 3-inclined vibrating screen, 31-first inclined plate, 32-through hole, 33-connection ear plate, 34-damping base, 341-strip-shaped supporting block, 342-damper, 343-spring, 35-second flange, 4-vibrating motor, 5-controller, 6-rice collecting groove, 7-feed guide plate, 71-second inclined plate, 72-third flange, 73-connection rod, 8-U-shaped frame, 9-waste collecting groove. DETAILED DESCRIPTION

[0054] The technical solutions of the present application will be described clearly and completely in combination with the embodiments. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0055] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0056] In the description of the present application, it should be understood that the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connection", "connection" should be understood broadly, 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 those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0057] Please refer to Figures 1-5 The present application provides a technical solution: a rice stone removing machine, comprising:

[0058] A conveying belt 1, the upper edge and surface of which are equipped with a roller brush scrubbing and impurity removing structure 2, which comprises:

[0059] The first flange 22 has two first flanges 22 distributed in parallel front and back, and the two first flanges 22 are fixedly assembled on the upper edge of the conveying belt 1 on the front and back sides, respectively. The first flange 22 is used to shield the material and install the device;

[0060] The surface of the conveying belt 1 is provided with an installation window in the middle part along the length direction, and a flexible screen 21 is fixedly attached in the installation window. The conveying belt 1 is not started or is started at a speed much slower than the rotating speed of the rollers during auxiliary conveying.

[0061] The rollers 23 are longitudinally and uniformly rotatably arranged between the inner sides of the front and rear first retaining edges 22, and the outer walls of the rollers 23 are uniformly fixedly attached with bristles.

[0062] The front end shafts of the rollers 23 extend out of the positions between the front side first retaining edge 22 and the front wall of the conveying belt 1 and are provided with a rotating driving structure 24 for driving the plurality of rollers 23 to rotate.

[0063] The rollers 23 rotate and the bristles thereon convey the rice to the next roller 23, and the rotating bristles of the rollers 23 brush off the mud and dust adhered to the surface of the rice.

[0064] The flexible screen 21 has a hole diameter smaller than the outer diameter of the rice, and the mud and dust brushed off from the surface of the rice are discharged from the mesh holes of the flexible screen 21.

[0065] The conveying belt 1 is fixedly connected with an inclined vibrating screen 3, and the hole diameter of the inclined vibrating screen 3 is larger than the outer diameter of the rice.

[0066] The inclined vibrating screen 3 filters out large-particle impurities and discharges the rice.

[0067] In some embodiments, in order to remove the large-particle impurities in the rice by vibrating screening, the inclined vibrating screen 3 comprises:

[0068] A first inclined plate 31 is fixedly and rotatably arranged on the upper end of the first inclined plate 31, and the connecting lug plate 33 is fixedly connected with the output end edge of the conveying belt 1 by bolts.

[0069] The upper surface of the first inclined plate 31 is uniformly provided with through holes 32, which are mesh holes of the inclined vibrating screen 3.

[0070] The lower end of the first inclined plate 31 is fixedly provided with a damping base 34, and the bottom surface of the damping base 34 is attached to the ground.

[0071] The upper surface of the first inclined plate 31 is fixedly provided with a second retaining edge 35 at the front and rear edges, to prevent material from leaking out.

[0072] The bottom surface of the first inclined plate 31 is fixedly provided with a vibrating mechanism, which drives the first inclined plate 31 to vibrate, thereby improving the screening efficiency.

[0073] In some embodiments, in order to play a buffering and damping role during vibrating screening and prolong the service life, the damping base 34 comprises:

[0074] A strip-shaped supporting block 341, the upper end of which is embedded in the length direction and is uniformly fitted with a damper 342;

[0075] The outer wall of the damper 342 is sleeved with a spring 343, and the two ends of the spring 343 abut against the ground of the first inclined plate 31 and the upper surface of the strip-shaped supporting block 341 respectively; the spring 343 and the damper 342 cooperate to play a role of elastic buffering.

[0076] In some embodiments, in order to provide vibration force for the inclined vibrating screen 3, the vibration mechanism comprises:

[0077] A vibration motor 4 is uniformly fixed and fitted on the bottom surface of the first inclined plate 31, and the vibration motor 4 is located at the gap of the through hole 32;

[0078] The vibration motor 4 is connected in parallel and electrically connected with a controller 5, which controls whether the vibration motor 4 works or not.

[0079] In some embodiments, in order to rotate and drive the circular rollers 23 and the bristles thereon, the rotating circular rollers 23 and the bristles are used to push the rice to the output end of the conveyor belt 1, and in this process, the soil and dust adhered to the surface of the rice can be brushed off, and the rotating driving structure 24 comprises:

[0080] A rotation transmission assembly 241 is fixedly connected to the front end of the shaft of the adjacent circular roller 23, and the adjacent rotation transmission assemblies 241 are staggered in front and back;

[0081] A rotating driving assembly 242 is arranged between the front end of the shaft of the end circular roller 23 and the front wall of the conveyor belt 1.

[0082] In some embodiments, in order to transmit the rotating force of the rotating driving assembly 242 to the plurality of circular rollers 23, the rotation transmission assembly 241 comprises:

[0083] A first rotating wheel 2411, the number of which is two, is fixedly sleeved on the front end of the shaft of the adjacent circular roller 23;

[0084] First belts 2412 are sleeved on the outer walls of the two first rotating wheels 2411.

[0085] In some embodiments, in order to provide rotating driving force, drive the rotation transmission of a plurality of rotation transmission assemblies 241, drive a plurality of circular rollers 23 and the bristles thereon to rotate, the rotating driving assembly 242 comprises:

[0086] A second rotating wheel 2421 is fixedly sleeved on the front end of the shaft of the end circular roller 23;

[0087] A driving motor 2422 is fixedly fitted on the front wall of the conveyor belt 1, and a driving wheel 2423 is fixedly fitted on the output front end of the driving motor 2422;

[0088] The second belt 2424 is sleeved with the second runner 2421.

[0089] In some embodiments, in order to facilitate feeding, the upper edge of the input end of the conveying belt 1 is fixedly provided with a feeding guide plate 7, which comprises:

[0090] The lower end of the second inclined plate 71 is fixedly provided on the upper edge of the input end of the conveying belt 1.

[0091] The upper surface of the second inclined plate 71 is fixedly provided with a third baffle 72 at the front and rear edges, which serves to block and prevent leakage.

[0092] The bottom surface of the second inclined plate 71 is fixedly provided with a connecting rod 73 between the upper edge of the input end of the conveying belt 1, and the feeding is dropped onto the input end of the conveying belt 1 along the third baffle 72.

[0093] In some embodiments, in order to collect the soil and dust falling on the surface of the rice, U-shaped frames 8 are fixedly provided on the left and right sides of the bottom surface of the conveying belt 1, and waste collecting troughs 9 are slidingly inserted into the U-shaped frames 8 on both sides, which can be pulled out for easy cleaning.

[0094] The waste collecting trough 9 is located directly below the conveying belt 1.

[0095] In some embodiments, in order to collect the rice after removing impurities, the utility model also comprises:

[0096] The rice collecting trough 6 is inserted below the inclined vibrating screen 3.

[0097] Working principle:

[0098] When the conveying belt 1 is in use, it is not started or is started at a speed much slower than the rotating speed of the rollers to assist in conveying. The rotating driving structure 24 drives the plurality of rollers 23 to rotate, and the rotating brush on the roller 23 conveys the rice to the next roller 23, and the rotating brush on the roller 23 brushes off the soil and dust adhering to the surface of the rice, and the soil and dust brushed off from the surface of the rice are discharged from the mesh of the flexible screen 21, and the inclined vibrating screen 3 filters out large particles of impurities and discharges the rice.

[0099] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part 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 utility model.

Claims

1. A rice stoner characterized by comprising: The utility model relates to a rice cleaning device, including: The upper edge and surface of the conveying belt (1) are equipped with roller brush brushing and removing sundries structure (2), which comprises: Two first flanges (22) are arranged in parallel on the front and back of the first flange (22), and the two first flanges (22) are fixedly arranged on the front and back of the upper edge of the conveying belt (1), respectively; The surface of the conveying belt (1) is provided with an installation window in the middle part along the length direction, and a flexible screen (21) is fixedly attached in the installation window; The circular roller (23) is rotatably arranged between the inner sides of the front and back first flanges (22), and the outer wall of the circular roller (23) is uniformly attached with bristles; The front end shaft of the circular roller (23) extends out of the position between the front first flange (22) and the front wall of the conveying belt (1) and is provided with a rotary driving structure (24); The circular roller (23) rotates and transports the rice to the next circular roller (23) through the bristles thereon, and the rotating bristles of the circular roller (23) brush off the dirt and dust adhered to the surface of the rice; The aperture of the flexible screen (21) is smaller than the outer diameter of the rice, and the dirt and dust brushed off from the surface of the rice are discharged from the mesh of the flexible screen (21); The output end of the conveying belt (1) is fixedly connected with an inclined vibrating screen (3), and the aperture of the inclined vibrating screen (3) is larger than the outer diameter of the rice; The inclined vibrating screen (3) filters out large-particle impurities and discharges the rice.

2. The rice stoner according to claim 1, wherein The inclined vibrating screen (3) comprises: A first inclined plate (31) is fixedly arranged on the upper end of the first inclined plate (31), and a connecting lug plate (33) is fixedly arranged on the front and back edges of the first inclined plate (31), and the connecting lug plate (33) is fixedly connected with the output end edge of the conveying belt (1) through bolts; The upper surface of the first inclined plate (31) is uniformly provided with a through hole (32), which is the mesh of the inclined vibrating screen (3); A damping base (34) is fixedly arranged on the lower end of the first inclined plate (31), and the bottom surface of the damping base (34) is attached to the ground; The upper surface of the first inclined plate (31) is fixedly arranged with a second flange (35) on the front and back edges; A vibrating mechanism is fixedly arranged on the bottom surface of the first inclined plate (31).

3. The rice stoner according to claim 2, wherein The damping base (34) comprises: A strip-shaped supporting block (341) is uniformly embedded with a damper (342) along the length direction on the upper end of the strip-shaped supporting block (341); The outer wall of the damper (342) is sleeved with a spring (343), and the two ends of the spring (343) are respectively abutted against the ground and the upper surface of the strip-shaped supporting block (341).

4. The rice stoner according to claim 2, wherein The vibrating mechanism comprises: A vibrating motor (4) is fixedly arranged on the bottom surface of the first inclined plate (31), and the vibrating motor (4) is located at the gap of the through hole (32); The vibrating motor (4) is connected with a controller (5) in parallel.

5. The rice stoner according to claim 1, wherein The rotary driving structure (24) comprises: A rotation transmission assembly (241) is fixedly connected with the front end shaft of the adjacent circular roller (23), and the adjacent rotation transmission assemblies (241) are staggered in front and back; A rotary driving assembly (242) is arranged between the front end shaft of the end circular roller (23) and the front wall of the conveying belt (1).

6. The rice stoner according to claim 5, wherein The rotation transmission assembly (241) comprises: A first rotating wheel (2411) is provided with two, and the two first rotating wheels (2411) are fixedly sleeved on the front ends of the shafts of the adjacent circular rollers (23); The outer walls of the first rotating wheels (2411) on the two sides are sleeved with first belts (2412).

7. The rice stoner according to claim 5, wherein The rotating driving assembly (242) comprises: A second rotating wheel (2421) is fixedly sleeved on the front end of the shaft of the end circular roller (23); A driving motor (2422) is fixedly assembled on the front wall of the conveying belt (1), and the output front end of the driving motor (2422) is fixedly assembled with a driving wheel (2423); The driving wheel (2423) and the outer wall of the second rotating wheel (2421) are sleeved with a second belt (2424).

8. The rice stoner according to claim 1, wherein The upper edge of the input end of the conveying belt (1) is fixedly assembled with a feeding flow guide plate (7), which comprises: A second inclined plate (71) is fixedly assembled on the upper edge of the input end of the conveying belt (1); The upper surfaces of the second inclined plate (71) are fixedly assembled with third retaining edges (72) on the front and rear edges; The bottom surface of the second inclined plate (71) and the upper edge of the input end of the conveying belt (1) are fixedly assembled with a connecting rod (73).

9. The rice stoner according to claim 1, wherein The bottom surface of the conveying belt (1) is fixedly assembled with U-shaped frames (8) on the left and right sides, and the waste collecting grooves (9) are slidingly inserted into the U-shaped frames (8) on the two sides; The waste collecting groove (9) is located directly below the conveying belt (1).

10. The rice stoner according to claim 1, wherein Further comprising: A rice collecting groove (6) is inserted below the inclined vibrating screen (3).